20725142760

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{3229}}^1$

素因数の和:3542

約数の個数: 320

約数和(自身を含む): 79916918400

約数和(自身を除く): 59191775640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 283, 315, 324, 360, 378, 405, 420, 504, 540, 566, 567, 630, 648, 756, 810, 840, 849, 945, 1080, 1132, 1134, 1260, 1415, 1512, 1620, 1698, 1890, 1981, 2264, 2268, 2520, 2547, 2830, 2835, 3229, 3240, 3396, 3780, 3962, 4245, 4536, 5094, 5660, 5670, 5943, 6458, 6792, 7560, 7641, 7924, 8490, 9687, 9905, 10188, 11320, 11340, 11886, 12735, 12916, 15282, 15848, 16145, 16980, 17829, 19374, 19810, 20376, 22603, 22680, 22923, 23772, 25470, 25832, 29061, 29715, 30564, 32290, 33960, 35658, 38205, 38748, 39620, 45206, 45846, 47544, 48435, 50940, 53487, 58122, 59430, 61128, 64580, 67809, 71316, 76410, 77496, 79240, 87183, 89145, 90412, 91692, 96870, 101880, 106974, 113015, 114615, 116244, 118860, 129160, 135618, 142632, 145305, 152820, 160461, 174366, 178290, 180824, 183384, 193740, 203427, 213948, 226030, 229230, 232488, 237720, 261549, 267435, 271236, 290610, 305640, 320922, 339045, 348732, 356580, 387480, 406854, 427896, 435915, 452060, 458460, 523098, 534870, 542472, 581220, 610281, 641844, 678090, 697464, 713160, 802305, 813708, 871830, 904120, 913807, 916920, 1017135, 1046196, 1069740, 1162440, 1220562, 1283688, 1307745, 1356180, 1604610, 1627416, 1743660, 1827614, 1830843, 2034270, 2092392, 2139480, 2441124, 2615490, 2712360, 2741421, 3051405, 3209220, 3487320, 3655228, 3661686, 4068540, 4569035, 4882248, 5230980, 5482842, 6102810, 6396649, 6418440, 7310456, 7323372, 8137080, 8224263, 9138070, 9154215, 10461960, 10965684, 12205620, 12793298, 13707105, 14646744, 16448526, 18276140, 18308430, 19189947, 21931368, 24411240, 24672789, 25586596, 27414210, 31983245, 32897052, 36552280, 36616860, 38379894, 41121315, 49345578, 51173192, 54828420, 57569841, 63966490, 65794104, 73233720, 74018367, 76759788, 82242630, 95949735, 98691156, 109656840, 115139682, 123363945, 127932980, 148036734, 153519576, 164485260, 172709523, 191899470, 197382312, 230279364, 246727890, 255865960, 287849205, 296073468, 328970520, 345419046, 370091835, 383798940, 460558728, 493455780, 518128569, 575698410, 592146936, 690838092, 740183670, 767597880, 863547615, 986911560, 1036257138, 1151396820, 1381676184, 1480367340, 1727095230, 2072514276, 2302793640, 2590642845, 2960734680, 3454190460, 4145028552, 5181285690, 6908380920, 10362571380, 20725142760]

約数ペア:

[(1, 20725142760), (2, 10362571380), (3, 6908380920), (4, 5181285690), (5, 4145028552), (6, 3454190460), (7, 2960734680), (8, 2590642845), (9, 2302793640), (10, 2072514276), (12, 1727095230), (14, 1480367340), (15, 1381676184), (18, 1151396820), (20, 1036257138), (21, 986911560), (24, 863547615), (27, 767597880), (28, 740183670), (30, 690838092), (35, 592146936), (36, 575698410), (40, 518128569), (42, 493455780), (45, 460558728), (54, 383798940), (56, 370091835), (60, 345419046), (63, 328970520), (70, 296073468), (72, 287849205), (81, 255865960), (84, 246727890), (90, 230279364), (105, 197382312), (108, 191899470), (120, 172709523), (126, 164485260), (135, 153519576), (140, 148036734), (162, 127932980), (168, 123363945), (180, 115139682), (189, 109656840), (210, 98691156), (216, 95949735), (252, 82242630), (270, 76759788), (280, 74018367), (283, 73233720), (315, 65794104), (324, 63966490), (360, 57569841), (378, 54828420), (405, 51173192), (420, 49345578), (504, 41121315), (540, 38379894), (566, 36616860), (567, 36552280), (630, 32897052), (648, 31983245), (756, 27414210), (810, 25586596), (840, 24672789), (849, 24411240), (945, 21931368), (1080, 19189947), (1132, 18308430), (1134, 18276140), (1260, 16448526), (1415, 14646744), (1512, 13707105), (1620, 12793298), (1698, 12205620), (1890, 10965684), (1981, 10461960), (2264, 9154215), (2268, 9138070), (2520, 8224263), (2547, 8137080), (2830, 7323372), (2835, 7310456), (3229, 6418440), (3240, 6396649), (3396, 6102810), (3780, 5482842), (3962, 5230980), (4245, 4882248), (4536, 4569035), (5094, 4068540), (5660, 3661686), (5670, 3655228), (5943, 3487320), (6458, 3209220), (6792, 3051405), (7560, 2741421), (7641, 2712360), (7924, 2615490), (8490, 2441124), (9687, 2139480), (9905, 2092392), (10188, 2034270), (11320, 1830843), (11340, 1827614), (11886, 1743660), (12735, 1627416), (12916, 1604610), (15282, 1356180), (15848, 1307745), (16145, 1283688), (16980, 1220562), (17829, 1162440), (19374, 1069740), (19810, 1046196), (20376, 1017135), (22603, 916920), (22680, 913807), (22923, 904120), (23772, 871830), (25470, 813708), (25832, 802305), (29061, 713160), (29715, 697464), (30564, 678090), (32290, 641844), (33960, 610281), (35658, 581220), (38205, 542472), (38748, 534870), (39620, 523098), (45206, 458460), (45846, 452060), (47544, 435915), (48435, 427896), (50940, 406854), (53487, 387480), (58122, 356580), (59430, 348732), (61128, 339045), (64580, 320922), (67809, 305640), (71316, 290610), (76410, 271236), (77496, 267435), (79240, 261549), (87183, 237720), (89145, 232488), (90412, 229230), (91692, 226030), (96870, 213948), (101880, 203427), (106974, 193740), (113015, 183384), (114615, 180824), (116244, 178290), (118860, 174366), (129160, 160461), (135618, 152820), (142632, 145305)]