28458540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1597}}^1$

素因数の和:1629

約数の個数: 120

約数和(自身を含む): 97452432

約数和(自身を除く): 68993892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1188, 1485, 1597, 1620, 1782, 1980, 2970, 3194, 3564, 4455, 4791, 5940, 6388, 7985, 8910, 9582, 14373, 15970, 17567, 17820, 19164, 23955, 28746, 31940, 35134, 43119, 47910, 52701, 57492, 70268, 71865, 86238, 87835, 95820, 105402, 129357, 143730, 158103, 172476, 175670, 210804, 215595, 258714, 263505, 287460, 316206, 351340, 431190, 474309, 517428, 527010, 632412, 646785, 790515, 862380, 948618, 1054020, 1293570, 1422927, 1581030, 1897236, 2371545, 2587140, 2845854, 3162060, 4743090, 5691708, 7114635, 9486180, 14229270, 28458540]

約数ペア:

[(1, 28458540), (2, 14229270), (3, 9486180), (4, 7114635), (5, 5691708), (6, 4743090), (9, 3162060), (10, 2845854), (11, 2587140), (12, 2371545), (15, 1897236), (18, 1581030), (20, 1422927), (22, 1293570), (27, 1054020), (30, 948618), (33, 862380), (36, 790515), (44, 646785), (45, 632412), (54, 527010), (55, 517428), (60, 474309), (66, 431190), (81, 351340), (90, 316206), (99, 287460), (108, 263505), (110, 258714), (132, 215595), (135, 210804), (162, 175670), (165, 172476), (180, 158103), (198, 143730), (220, 129357), (270, 105402), (297, 95820), (324, 87835), (330, 86238), (396, 71865), (405, 70268), (495, 57492), (540, 52701), (594, 47910), (660, 43119), (810, 35134), (891, 31940), (990, 28746), (1188, 23955), (1485, 19164), (1597, 17820), (1620, 17567), (1782, 15970), (1980, 14373), (2970, 9582), (3194, 8910), (3564, 7985), (4455, 6388), (4791, 5940)]