28119240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4111}}^1$

素因数の和:4147

約数の個数: 96

約数和(自身を含む): 96220800

約数和(自身を除く): 68101560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 4111, 6840, 8222, 12333, 16444, 20555, 24666, 32888, 36999, 41110, 49332, 61665, 73998, 78109, 82220, 98664, 123330, 147996, 156218, 164440, 184995, 234327, 246660, 295992, 312436, 369990, 390545, 468654, 493320, 624872, 702981, 739980, 781090, 937308, 1171635, 1405962, 1479960, 1562180, 1874616, 2343270, 2811924, 3124360, 3514905, 4686540, 5623848, 7029810, 9373080, 14059620, 28119240]

約数ペア:

[(1, 28119240), (2, 14059620), (3, 9373080), (4, 7029810), (5, 5623848), (6, 4686540), (8, 3514905), (9, 3124360), (10, 2811924), (12, 2343270), (15, 1874616), (18, 1562180), (19, 1479960), (20, 1405962), (24, 1171635), (30, 937308), (36, 781090), (38, 739980), (40, 702981), (45, 624872), (57, 493320), (60, 468654), (72, 390545), (76, 369990), (90, 312436), (95, 295992), (114, 246660), (120, 234327), (152, 184995), (171, 164440), (180, 156218), (190, 147996), (228, 123330), (285, 98664), (342, 82220), (360, 78109), (380, 73998), (456, 61665), (570, 49332), (684, 41110), (760, 36999), (855, 32888), (1140, 24666), (1368, 20555), (1710, 16444), (2280, 12333), (3420, 8222), (4111, 6840)]