31190640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{769}}^1$

素因数の和:811

約数の個数: 120

約数和(自身を含む): 104837040

約数和(自身を除く): 73646400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 769, 780, 845, 1014, 1040, 1352, 1538, 1560, 1690, 2028, 2307, 2535, 2704, 3076, 3120, 3380, 3845, 4056, 4614, 5070, 6152, 6760, 7690, 8112, 9228, 9997, 10140, 11535, 12304, 13520, 15380, 18456, 19994, 20280, 23070, 29991, 30760, 36912, 39988, 40560, 46140, 49985, 59982, 61520, 79976, 92280, 99970, 119964, 129961, 149955, 159952, 184560, 199940, 239928, 259922, 299910, 389883, 399880, 479856, 519844, 599820, 649805, 779766, 799760, 1039688, 1199640, 1299610, 1559532, 1949415, 2079376, 2399280, 2599220, 3119064, 3898830, 5198440, 6238128, 7797660, 10396880, 15595320, 31190640]

約数ペア:

[(1, 31190640), (2, 15595320), (3, 10396880), (4, 7797660), (5, 6238128), (6, 5198440), (8, 3898830), (10, 3119064), (12, 2599220), (13, 2399280), (15, 2079376), (16, 1949415), (20, 1559532), (24, 1299610), (26, 1199640), (30, 1039688), (39, 799760), (40, 779766), (48, 649805), (52, 599820), (60, 519844), (65, 479856), (78, 399880), (80, 389883), (104, 299910), (120, 259922), (130, 239928), (156, 199940), (169, 184560), (195, 159952), (208, 149955), (240, 129961), (260, 119964), (312, 99970), (338, 92280), (390, 79976), (507, 61520), (520, 59982), (624, 49985), (676, 46140), (769, 40560), (780, 39988), (845, 36912), (1014, 30760), (1040, 29991), (1352, 23070), (1538, 20280), (1560, 19994), (1690, 18456), (2028, 15380), (2307, 13520), (2535, 12304), (2704, 11535), (3076, 10140), (3120, 9997), (3380, 9228), (3845, 8112), (4056, 7690), (4614, 6760), (5070, 6152)]