87887790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 144

約数和(自身を含む): 252869760

約数和(自身を除く): 164981970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 31, 34, 45, 51, 62, 85, 90, 93, 102, 109, 153, 155, 170, 186, 218, 255, 279, 289, 306, 310, 327, 465, 510, 527, 545, 558, 578, 654, 765, 867, 930, 981, 1054, 1090, 1395, 1445, 1530, 1581, 1635, 1734, 1853, 1962, 2601, 2635, 2790, 2890, 3162, 3270, 3379, 3706, 4335, 4743, 4905, 5202, 5270, 5559, 6758, 7905, 8670, 8959, 9265, 9486, 9810, 10137, 11118, 13005, 15810, 16677, 16895, 17918, 18530, 20274, 23715, 26010, 26877, 27795, 30411, 31501, 33354, 33790, 44795, 47430, 50685, 53754, 55590, 57443, 60822, 63002, 80631, 83385, 89590, 94503, 101370, 114886, 134385, 152055, 157505, 161262, 166770, 172329, 189006, 268770, 283509, 287215, 304110, 315010, 344658, 403155, 472515, 516987, 567018, 574430, 806310, 861645, 945030, 976531, 1033974, 1417545, 1723290, 1953062, 2584935, 2835090, 2929593, 4882655, 5169870, 5859186, 8788779, 9765310, 14647965, 17577558, 29295930, 43943895, 87887790]

約数ペア:

[(1, 87887790), (2, 43943895), (3, 29295930), (5, 17577558), (6, 14647965), (9, 9765310), (10, 8788779), (15, 5859186), (17, 5169870), (18, 4882655), (30, 2929593), (31, 2835090), (34, 2584935), (45, 1953062), (51, 1723290), (62, 1417545), (85, 1033974), (90, 976531), (93, 945030), (102, 861645), (109, 806310), (153, 574430), (155, 567018), (170, 516987), (186, 472515), (218, 403155), (255, 344658), (279, 315010), (289, 304110), (306, 287215), (310, 283509), (327, 268770), (465, 189006), (510, 172329), (527, 166770), (545, 161262), (558, 157505), (578, 152055), (654, 134385), (765, 114886), (867, 101370), (930, 94503), (981, 89590), (1054, 83385), (1090, 80631), (1395, 63002), (1445, 60822), (1530, 57443), (1581, 55590), (1635, 53754), (1734, 50685), (1853, 47430), (1962, 44795), (2601, 33790), (2635, 33354), (2790, 31501), (2890, 30411), (3162, 27795), (3270, 26877), (3379, 26010), (3706, 23715), (4335, 20274), (4743, 18530), (4905, 17918), (5202, 16895), (5270, 16677), (5559, 15810), (6758, 13005), (7905, 11118), (8670, 10137), (8959, 9810), (9265, 9486)]