20951617680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72931}}^1$

素因数の和:72979

約数の個数: 320

約数和(自身を含む): 86818252800

約数和(自身を除く): 65866635120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 168, 171, 180, 189, 190, 210, 216, 228, 240, 252, 266, 270, 280, 285, 304, 315, 336, 342, 360, 378, 380, 399, 420, 432, 456, 504, 513, 532, 540, 560, 570, 630, 665, 684, 720, 756, 760, 798, 840, 855, 912, 945, 1008, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1520, 1596, 1680, 1710, 1890, 1995, 2052, 2128, 2160, 2280, 2394, 2520, 2565, 2660, 2736, 3024, 3192, 3420, 3591, 3780, 3990, 4104, 4560, 4788, 5040, 5130, 5320, 5985, 6384, 6840, 7182, 7560, 7980, 8208, 9576, 10260, 10640, 11970, 13680, 14364, 15120, 15960, 17955, 19152, 20520, 23940, 28728, 31920, 35910, 41040, 47880, 57456, 71820, 72931, 95760, 143640, 145862, 218793, 287280, 291724, 364655, 437586, 510517, 583448, 656379, 729310, 875172, 1021034, 1093965, 1166896, 1312758, 1385689, 1458620, 1531551, 1750344, 1969137, 2042068, 2187930, 2552585, 2625516, 2771378, 2917240, 3063102, 3281895, 3500688, 3938274, 4084136, 4157067, 4375860, 4594653, 5105170, 5251032, 5542756, 5834480, 6126204, 6563790, 6928445, 7657755, 7876548, 8168272, 8314134, 8751720, 9189306, 9699823, 9845685, 10210340, 10502064, 11085512, 12252408, 12471201, 13127580, 13783959, 13856890, 15315510, 15753096, 16628268, 17503440, 18378612, 19399646, 19691370, 20420680, 20785335, 22171024, 22973265, 24504816, 24942402, 26255160, 27567918, 27713780, 29099469, 30631020, 31506192, 33256536, 36757224, 37413603, 38799292, 39382740, 40841360, 41570670, 45946530, 48499115, 49884804, 52510320, 55135836, 55427560, 58198938, 61262040, 62356005, 66513072, 68919795, 73514448, 74827206, 77598584, 78765480, 83141340, 87298407, 91893060, 96998230, 99769608, 110271672, 110855120, 116397876, 122524080, 124712010, 137839590, 145497345, 149654412, 155197168, 157530960, 166282680, 174596814, 183786120, 187068015, 193996460, 199539216, 220543344, 232795752, 249424020, 261895221, 275679180, 290994690, 299308824, 332565360, 349193628, 367572240, 374136030, 387992920, 436492035, 465591504, 498848040, 523790442, 551358360, 581989380, 598617648, 698387256, 748272060, 775985840, 872984070, 997696080, 1047580884, 1102716720, 1163978760, 1309476105, 1396774512, 1496544120, 1745968140, 2095161768, 2327957520, 2618952210, 2993088240, 3491936280, 4190323536, 5237904420, 6983872560, 10475808840, 20951617680]

約数ペア:

[(1, 20951617680), (2, 10475808840), (3, 6983872560), (4, 5237904420), (5, 4190323536), (6, 3491936280), (7, 2993088240), (8, 2618952210), (9, 2327957520), (10, 2095161768), (12, 1745968140), (14, 1496544120), (15, 1396774512), (16, 1309476105), (18, 1163978760), (19, 1102716720), (20, 1047580884), (21, 997696080), (24, 872984070), (27, 775985840), (28, 748272060), (30, 698387256), (35, 598617648), (36, 581989380), (38, 551358360), (40, 523790442), (42, 498848040), (45, 465591504), (48, 436492035), (54, 387992920), (56, 374136030), (57, 367572240), (60, 349193628), (63, 332565360), (70, 299308824), (72, 290994690), (76, 275679180), (80, 261895221), (84, 249424020), (90, 232795752), (95, 220543344), (105, 199539216), (108, 193996460), (112, 187068015), (114, 183786120), (120, 174596814), (126, 166282680), (133, 157530960), (135, 155197168), (140, 149654412), (144, 145497345), (152, 137839590), (168, 124712010), (171, 122524080), (180, 116397876), (189, 110855120), (190, 110271672), (210, 99769608), (216, 96998230), (228, 91893060), (240, 87298407), (252, 83141340), (266, 78765480), (270, 77598584), (280, 74827206), (285, 73514448), (304, 68919795), (315, 66513072), (336, 62356005), (342, 61262040), (360, 58198938), (378, 55427560), (380, 55135836), (399, 52510320), (420, 49884804), (432, 48499115), (456, 45946530), (504, 41570670), (513, 40841360), (532, 39382740), (540, 38799292), (560, 37413603), (570, 36757224), (630, 33256536), (665, 31506192), (684, 30631020), (720, 29099469), (756, 27713780), (760, 27567918), (798, 26255160), (840, 24942402), (855, 24504816), (912, 22973265), (945, 22171024), (1008, 20785335), (1026, 20420680), (1064, 19691370), (1080, 19399646), (1140, 18378612), (1197, 17503440), (1260, 16628268), (1330, 15753096), (1368, 15315510), (1512, 13856890), (1520, 13783959), (1596, 13127580), (1680, 12471201), (1710, 12252408), (1890, 11085512), (1995, 10502064), (2052, 10210340), (2128, 9845685), (2160, 9699823), (2280, 9189306), (2394, 8751720), (2520, 8314134), (2565, 8168272), (2660, 7876548), (2736, 7657755), (3024, 6928445), (3192, 6563790), (3420, 6126204), (3591, 5834480), (3780, 5542756), (3990, 5251032), (4104, 5105170), (4560, 4594653), (4788, 4375860), (5040, 4157067), (5130, 4084136), (5320, 3938274), (5985, 3500688), (6384, 3281895), (6840, 3063102), (7182, 2917240), (7560, 2771378), (7980, 2625516), (8208, 2552585), (9576, 2187930), (10260, 2042068), (10640, 1969137), (11970, 1750344), (13680, 1531551), (14364, 1458620), (15120, 1385689), (15960, 1312758), (17955, 1166896), (19152, 1093965), (20520, 1021034), (23940, 875172), (28728, 729310), (31920, 656379), (35910, 583448), (41040, 510517), (47880, 437586), (57456, 364655), (71820, 291724), (72931, 287280), (95760, 218793), (143640, 145862)]