28147860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1$

素因数の和:574

約数の個数: 144

約数和(自身を含む): 96130944

約数和(自身を除く): 67983084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 260, 276, 299, 345, 390, 414, 460, 468, 523, 585, 598, 690, 780, 828, 897, 1035, 1046, 1170, 1196, 1380, 1495, 1569, 1794, 2070, 2092, 2340, 2615, 2691, 2990, 3138, 3588, 4140, 4485, 4707, 5230, 5382, 5980, 6276, 6799, 7845, 8970, 9414, 10460, 10764, 12029, 13455, 13598, 15690, 17940, 18828, 20397, 23535, 24058, 26910, 27196, 31380, 33995, 36087, 40794, 47070, 48116, 53820, 60145, 61191, 67990, 72174, 81588, 94140, 101985, 108261, 120290, 122382, 135980, 144348, 156377, 180435, 203970, 216522, 240580, 244764, 305955, 312754, 360870, 407940, 433044, 469131, 541305, 611910, 625508, 721740, 781885, 938262, 1082610, 1223820, 1407393, 1563770, 1876524, 2165220, 2345655, 2814786, 3127540, 4691310, 5629572, 7036965, 9382620, 14073930, 28147860]

約数ペア:

[(1, 28147860), (2, 14073930), (3, 9382620), (4, 7036965), (5, 5629572), (6, 4691310), (9, 3127540), (10, 2814786), (12, 2345655), (13, 2165220), (15, 1876524), (18, 1563770), (20, 1407393), (23, 1223820), (26, 1082610), (30, 938262), (36, 781885), (39, 721740), (45, 625508), (46, 611910), (52, 541305), (60, 469131), (65, 433044), (69, 407940), (78, 360870), (90, 312754), (92, 305955), (115, 244764), (117, 240580), (130, 216522), (138, 203970), (156, 180435), (180, 156377), (195, 144348), (207, 135980), (230, 122382), (234, 120290), (260, 108261), (276, 101985), (299, 94140), (345, 81588), (390, 72174), (414, 67990), (460, 61191), (468, 60145), (523, 53820), (585, 48116), (598, 47070), (690, 40794), (780, 36087), (828, 33995), (897, 31380), (1035, 27196), (1046, 26910), (1170, 24058), (1196, 23535), (1380, 20397), (1495, 18828), (1569, 17940), (1794, 15690), (2070, 13598), (2092, 13455), (2340, 12029), (2615, 10764), (2691, 10460), (2990, 9414), (3138, 8970), (3588, 7845), (4140, 6799), (4485, 6276), (4707, 5980), (5230, 5382)]