87678540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:892

約数の個数: 144

約数和(自身を含む): 289336320

約数和(自身を除く): 201657780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 684, 827, 855, 930, 1116, 1140, 1178, 1395, 1654, 1710, 1767, 1860, 2356, 2481, 2790, 2945, 3308, 3420, 3534, 4135, 4962, 5301, 5580, 5890, 7068, 7443, 8270, 8835, 9924, 10602, 11780, 12405, 14886, 15713, 16540, 17670, 21204, 24810, 25637, 26505, 29772, 31426, 35340, 37215, 47139, 49620, 51274, 53010, 62852, 74430, 76911, 78565, 94278, 102548, 106020, 128185, 141417, 148860, 153822, 157130, 188556, 230733, 235695, 256370, 282834, 307644, 314260, 384555, 461466, 471390, 487103, 512740, 565668, 707085, 769110, 922932, 942780, 974206, 1153665, 1414170, 1461309, 1538220, 1948412, 2307330, 2435515, 2828340, 2922618, 4383927, 4614660, 4871030, 5845236, 7306545, 8767854, 9742060, 14613090, 17535708, 21919635, 29226180, 43839270, 87678540]

約数ペア:

[(1, 87678540), (2, 43839270), (3, 29226180), (4, 21919635), (5, 17535708), (6, 14613090), (9, 9742060), (10, 8767854), (12, 7306545), (15, 5845236), (18, 4871030), (19, 4614660), (20, 4383927), (30, 2922618), (31, 2828340), (36, 2435515), (38, 2307330), (45, 1948412), (57, 1538220), (60, 1461309), (62, 1414170), (76, 1153665), (90, 974206), (93, 942780), (95, 922932), (114, 769110), (124, 707085), (155, 565668), (171, 512740), (180, 487103), (186, 471390), (190, 461466), (228, 384555), (279, 314260), (285, 307644), (310, 282834), (342, 256370), (372, 235695), (380, 230733), (465, 188556), (558, 157130), (570, 153822), (589, 148860), (620, 141417), (684, 128185), (827, 106020), (855, 102548), (930, 94278), (1116, 78565), (1140, 76911), (1178, 74430), (1395, 62852), (1654, 53010), (1710, 51274), (1767, 49620), (1860, 47139), (2356, 37215), (2481, 35340), (2790, 31426), (2945, 29772), (3308, 26505), (3420, 25637), (3534, 24810), (4135, 21204), (4962, 17670), (5301, 16540), (5580, 15713), (5890, 14886), (7068, 12405), (7443, 11780), (8270, 10602), (8835, 9924)]