51638580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:763

約数の個数: 192

約数和(自身を含む): 193536000

約数和(自身を除く): 141897420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 513, 532, 540, 570, 630, 665, 684, 719, 756, 798, 855, 945, 1026, 1140, 1197, 1260, 1330, 1438, 1596, 1710, 1890, 1995, 2052, 2157, 2394, 2565, 2660, 2876, 3420, 3591, 3595, 3780, 3990, 4314, 4788, 5033, 5130, 5985, 6471, 7182, 7190, 7980, 8628, 10066, 10260, 10785, 11970, 12942, 13661, 14364, 14380, 15099, 17955, 19413, 20132, 21570, 23940, 25165, 25884, 27322, 30198, 32355, 35910, 38826, 40983, 43140, 45297, 50330, 54644, 60396, 64710, 68305, 71820, 75495, 77652, 81966, 90594, 95627, 97065, 100660, 122949, 129420, 135891, 136610, 150990, 163932, 181188, 191254, 194130, 204915, 226485, 245898, 271782, 273220, 286881, 301980, 368847, 382508, 388260, 409830, 452970, 478135, 491796, 543564, 573762, 614745, 679455, 737694, 819660, 860643, 905940, 956270, 1147524, 1229490, 1358910, 1434405, 1475388, 1721286, 1844235, 1912540, 2458980, 2581929, 2717820, 2868810, 3442572, 3688470, 4303215, 5163858, 5737620, 7376940, 8606430, 10327716, 12909645, 17212860, 25819290, 51638580]

約数ペア:

[(1, 51638580), (2, 25819290), (3, 17212860), (4, 12909645), (5, 10327716), (6, 8606430), (7, 7376940), (9, 5737620), (10, 5163858), (12, 4303215), (14, 3688470), (15, 3442572), (18, 2868810), (19, 2717820), (20, 2581929), (21, 2458980), (27, 1912540), (28, 1844235), (30, 1721286), (35, 1475388), (36, 1434405), (38, 1358910), (42, 1229490), (45, 1147524), (54, 956270), (57, 905940), (60, 860643), (63, 819660), (70, 737694), (76, 679455), (84, 614745), (90, 573762), (95, 543564), (105, 491796), (108, 478135), (114, 452970), (126, 409830), (133, 388260), (135, 382508), (140, 368847), (171, 301980), (180, 286881), (189, 273220), (190, 271782), (210, 245898), (228, 226485), (252, 204915), (266, 194130), (270, 191254), (285, 181188), (315, 163932), (342, 150990), (378, 136610), (380, 135891), (399, 129420), (420, 122949), (513, 100660), (532, 97065), (540, 95627), (570, 90594), (630, 81966), (665, 77652), (684, 75495), (719, 71820), (756, 68305), (798, 64710), (855, 60396), (945, 54644), (1026, 50330), (1140, 45297), (1197, 43140), (1260, 40983), (1330, 38826), (1438, 35910), (1596, 32355), (1710, 30198), (1890, 27322), (1995, 25884), (2052, 25165), (2157, 23940), (2394, 21570), (2565, 20132), (2660, 19413), (2876, 17955), (3420, 15099), (3591, 14380), (3595, 14364), (3780, 13661), (3990, 12942), (4314, 11970), (4788, 10785), (5033, 10260), (5130, 10066), (5985, 8628), (6471, 7980), (7182, 7190)]