28190760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1063}}^1$

素因数の和:1107

約数の個数: 128

約数和(自身を含む): 96526080

約数和(自身を除く): 68335320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1063, 1105, 1326, 1560, 1768, 2040, 2126, 2210, 2652, 3189, 3315, 4252, 4420, 5304, 5315, 6378, 6630, 8504, 8840, 10630, 12756, 13260, 13819, 15945, 18071, 21260, 25512, 26520, 27638, 31890, 36142, 41457, 42520, 54213, 55276, 63780, 69095, 72284, 82914, 90355, 108426, 110552, 127560, 138190, 144568, 165828, 180710, 207285, 216852, 234923, 271065, 276380, 331656, 361420, 414570, 433704, 469846, 542130, 552760, 704769, 722840, 829140, 939692, 1084260, 1174615, 1409538, 1658280, 1879384, 2168520, 2349230, 2819076, 3523845, 4698460, 5638152, 7047690, 9396920, 14095380, 28190760]

約数ペア:

[(1, 28190760), (2, 14095380), (3, 9396920), (4, 7047690), (5, 5638152), (6, 4698460), (8, 3523845), (10, 2819076), (12, 2349230), (13, 2168520), (15, 1879384), (17, 1658280), (20, 1409538), (24, 1174615), (26, 1084260), (30, 939692), (34, 829140), (39, 722840), (40, 704769), (51, 552760), (52, 542130), (60, 469846), (65, 433704), (68, 414570), (78, 361420), (85, 331656), (102, 276380), (104, 271065), (120, 234923), (130, 216852), (136, 207285), (156, 180710), (170, 165828), (195, 144568), (204, 138190), (221, 127560), (255, 110552), (260, 108426), (312, 90355), (340, 82914), (390, 72284), (408, 69095), (442, 63780), (510, 55276), (520, 54213), (663, 42520), (680, 41457), (780, 36142), (884, 31890), (1020, 27638), (1063, 26520), (1105, 25512), (1326, 21260), (1560, 18071), (1768, 15945), (2040, 13819), (2126, 13260), (2210, 12756), (2652, 10630), (3189, 8840), (3315, 8504), (4252, 6630), (4420, 6378), (5304, 5315)]