28015920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{233}}^1$

素因数の和:419

約数の個数: 120

約数和(自身を含む): 95056416

約数和(自身を除く): 67040496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 167, 180, 233, 240, 334, 360, 466, 501, 668, 699, 720, 835, 932, 1002, 1165, 1336, 1398, 1503, 1670, 1864, 2004, 2097, 2330, 2505, 2672, 2796, 3006, 3340, 3495, 3728, 4008, 4194, 4660, 5010, 5592, 6012, 6680, 6990, 7515, 8016, 8388, 9320, 10020, 10485, 11184, 12024, 13360, 13980, 15030, 16776, 18640, 20040, 20970, 24048, 27960, 30060, 33552, 38911, 40080, 41940, 55920, 60120, 77822, 83880, 116733, 120240, 155644, 167760, 194555, 233466, 311288, 350199, 389110, 466932, 583665, 622576, 700398, 778220, 933864, 1167330, 1400796, 1556440, 1750995, 1867728, 2334660, 2801592, 3112880, 3501990, 4669320, 5603184, 7003980, 9338640, 14007960, 28015920]

約数ペア:

[(1, 28015920), (2, 14007960), (3, 9338640), (4, 7003980), (5, 5603184), (6, 4669320), (8, 3501990), (9, 3112880), (10, 2801592), (12, 2334660), (15, 1867728), (16, 1750995), (18, 1556440), (20, 1400796), (24, 1167330), (30, 933864), (36, 778220), (40, 700398), (45, 622576), (48, 583665), (60, 466932), (72, 389110), (80, 350199), (90, 311288), (120, 233466), (144, 194555), (167, 167760), (180, 155644), (233, 120240), (240, 116733), (334, 83880), (360, 77822), (466, 60120), (501, 55920), (668, 41940), (699, 40080), (720, 38911), (835, 33552), (932, 30060), (1002, 27960), (1165, 24048), (1336, 20970), (1398, 20040), (1503, 18640), (1670, 16776), (1864, 15030), (2004, 13980), (2097, 13360), (2330, 12024), (2505, 11184), (2672, 10485), (2796, 10020), (3006, 9320), (3340, 8388), (3495, 8016), (3728, 7515), (4008, 6990), (4194, 6680), (4660, 6012), (5010, 5592)]