28749720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{829}}^1$

素因数の和:877

約数の個数: 96

約数和(自身を含む): 91731600

約数和(自身を除く): 62981880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 289, 340, 408, 510, 578, 680, 829, 867, 1020, 1156, 1445, 1658, 1734, 2040, 2312, 2487, 2890, 3316, 3468, 4145, 4335, 4974, 5780, 6632, 6936, 8290, 8670, 9948, 11560, 12435, 14093, 16580, 17340, 19896, 24870, 28186, 33160, 34680, 42279, 49740, 56372, 70465, 84558, 99480, 112744, 140930, 169116, 211395, 239581, 281860, 338232, 422790, 479162, 563720, 718743, 845580, 958324, 1197905, 1437486, 1691160, 1916648, 2395810, 2874972, 3593715, 4791620, 5749944, 7187430, 9583240, 14374860, 28749720]

約数ペア:

[(1, 28749720), (2, 14374860), (3, 9583240), (4, 7187430), (5, 5749944), (6, 4791620), (8, 3593715), (10, 2874972), (12, 2395810), (15, 1916648), (17, 1691160), (20, 1437486), (24, 1197905), (30, 958324), (34, 845580), (40, 718743), (51, 563720), (60, 479162), (68, 422790), (85, 338232), (102, 281860), (120, 239581), (136, 211395), (170, 169116), (204, 140930), (255, 112744), (289, 99480), (340, 84558), (408, 70465), (510, 56372), (578, 49740), (680, 42279), (829, 34680), (867, 33160), (1020, 28186), (1156, 24870), (1445, 19896), (1658, 17340), (1734, 16580), (2040, 14093), (2312, 12435), (2487, 11560), (2890, 9948), (3316, 8670), (3468, 8290), (4145, 6936), (4335, 6632), (4974, 5780)]