251944560

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{877}}^1$

素因数の和:925

約数の個数: 320

約数和(自身を含む): 1045171200

約数和(自身を除く): 793226640

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, 877, 912, 945, 1008, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1520, 1596, 1680, 1710, 1754, 1890, 1995, 2052, 2128, 2160, 2280, 2394, 2520, 2565, 2631, 2660, 2736, 3024, 3192, 3420, 3508, 3591, 3780, 3990, 4104, 4385, 4560, 4788, 5040, 5130, 5262, 5320, 5985, 6139, 6384, 6840, 7016, 7182, 7560, 7893, 7980, 8208, 8770, 9576, 10260, 10524, 10640, 11970, 12278, 13155, 13680, 14032, 14364, 15120, 15786, 15960, 16663, 17540, 17955, 18417, 19152, 20520, 21048, 23679, 23940, 24556, 26310, 28728, 30695, 31572, 31920, 33326, 35080, 35910, 36834, 39465, 41040, 42096, 47358, 47880, 49112, 49989, 52620, 55251, 57456, 61390, 63144, 66652, 70160, 71820, 73668, 78930, 83315, 92085, 94716, 95760, 98224, 99978, 105240, 110502, 116641, 118395, 122780, 126288, 133304, 143640, 147336, 149967, 157860, 165753, 166630, 184170, 189432, 199956, 210480, 221004, 233282, 236790, 245560, 249945, 266608, 276255, 287280, 294672, 299934, 315720, 331506, 333260, 349923, 368340, 378864, 399912, 442008, 449901, 466564, 473580, 491120, 499890, 552510, 583205, 599868, 631440, 663012, 666520, 699846, 736680, 749835, 799824, 828765, 884016, 899802, 933128, 947160, 999780, 1049769, 1105020, 1166410, 1199736, 1326024, 1333040, 1399692, 1473360, 1499670, 1657530, 1749615, 1799604, 1866256, 1894320, 1999560, 2099538, 2210040, 2249505, 2332820, 2399472, 2652048, 2799384, 2999340, 3149307, 3315060, 3499230, 3599208, 3999120, 4199076, 4420080, 4499010, 4665640, 5248845, 5598768, 5998680, 6298614, 6630120, 6998460, 7198416, 8398152, 8998020, 9331280, 10497690, 11997360, 12597228, 13260240, 13996920, 15746535, 16796304, 17996040, 20995380, 25194456, 27993840, 31493070, 35992080, 41990760, 50388912, 62986140, 83981520, 125972280, 251944560]

約数ペア:

[(1, 251944560), (2, 125972280), (3, 83981520), (4, 62986140), (5, 50388912), (6, 41990760), (7, 35992080), (8, 31493070), (9, 27993840), (10, 25194456), (12, 20995380), (14, 17996040), (15, 16796304), (16, 15746535), (18, 13996920), (19, 13260240), (20, 12597228), (21, 11997360), (24, 10497690), (27, 9331280), (28, 8998020), (30, 8398152), (35, 7198416), (36, 6998460), (38, 6630120), (40, 6298614), (42, 5998680), (45, 5598768), (48, 5248845), (54, 4665640), (56, 4499010), (57, 4420080), (60, 4199076), (63, 3999120), (70, 3599208), (72, 3499230), (76, 3315060), (80, 3149307), (84, 2999340), (90, 2799384), (95, 2652048), (105, 2399472), (108, 2332820), (112, 2249505), (114, 2210040), (120, 2099538), (126, 1999560), (133, 1894320), (135, 1866256), (140, 1799604), (144, 1749615), (152, 1657530), (168, 1499670), (171, 1473360), (180, 1399692), (189, 1333040), (190, 1326024), (210, 1199736), (216, 1166410), (228, 1105020), (240, 1049769), (252, 999780), (266, 947160), (270, 933128), (280, 899802), (285, 884016), (304, 828765), (315, 799824), (336, 749835), (342, 736680), (360, 699846), (378, 666520), (380, 663012), (399, 631440), (420, 599868), (432, 583205), (456, 552510), (504, 499890), (513, 491120), (532, 473580), (540, 466564), (560, 449901), (570, 442008), (630, 399912), (665, 378864), (684, 368340), (720, 349923), (756, 333260), (760, 331506), (798, 315720), (840, 299934), (855, 294672), (877, 287280), (912, 276255), (945, 266608), (1008, 249945), (1026, 245560), (1064, 236790), (1080, 233282), (1140, 221004), (1197, 210480), (1260, 199956), (1330, 189432), (1368, 184170), (1512, 166630), (1520, 165753), (1596, 157860), (1680, 149967), (1710, 147336), (1754, 143640), (1890, 133304), (1995, 126288), (2052, 122780), (2128, 118395), (2160, 116641), (2280, 110502), (2394, 105240), (2520, 99978), (2565, 98224), (2631, 95760), (2660, 94716), (2736, 92085), (3024, 83315), (3192, 78930), (3420, 73668), (3508, 71820), (3591, 70160), (3780, 66652), (3990, 63144), (4104, 61390), (4385, 57456), (4560, 55251), (4788, 52620), (5040, 49989), (5130, 49112), (5262, 47880), (5320, 47358), (5985, 42096), (6139, 41040), (6384, 39465), (6840, 36834), (7016, 35910), (7182, 35080), (7560, 33326), (7893, 31920), (7980, 31572), (8208, 30695), (8770, 28728), (9576, 26310), (10260, 24556), (10524, 23940), (10640, 23679), (11970, 21048), (12278, 20520), (13155, 19152), (13680, 18417), (14032, 17955), (14364, 17540), (15120, 16663), (15786, 15960)]