7125040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 120

約数和(自身を含む): 19605888

約数和(自身を除く): 12480848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 80, 85, 104, 124, 130, 136, 155, 169, 170, 208, 221, 248, 260, 272, 310, 338, 340, 403, 442, 496, 520, 527, 620, 676, 680, 806, 845, 884, 1040, 1054, 1105, 1240, 1352, 1360, 1612, 1690, 1768, 2015, 2108, 2210, 2480, 2635, 2704, 2873, 3224, 3380, 3536, 4030, 4216, 4420, 5239, 5270, 5746, 6448, 6760, 6851, 8060, 8432, 8840, 10478, 10540, 11492, 13520, 13702, 14365, 16120, 17680, 20956, 21080, 22984, 26195, 27404, 28730, 32240, 34255, 41912, 42160, 45968, 52390, 54808, 57460, 68510, 83824, 89063, 104780, 109616, 114920, 137020, 178126, 209560, 229840, 274040, 356252, 419120, 445315, 548080, 712504, 890630, 1425008, 1781260, 3562520, 7125040]

約数ペア:

[(1, 7125040), (2, 3562520), (4, 1781260), (5, 1425008), (8, 890630), (10, 712504), (13, 548080), (16, 445315), (17, 419120), (20, 356252), (26, 274040), (31, 229840), (34, 209560), (40, 178126), (52, 137020), (62, 114920), (65, 109616), (68, 104780), (80, 89063), (85, 83824), (104, 68510), (124, 57460), (130, 54808), (136, 52390), (155, 45968), (169, 42160), (170, 41912), (208, 34255), (221, 32240), (248, 28730), (260, 27404), (272, 26195), (310, 22984), (338, 21080), (340, 20956), (403, 17680), (442, 16120), (496, 14365), (520, 13702), (527, 13520), (620, 11492), (676, 10540), (680, 10478), (806, 8840), (845, 8432), (884, 8060), (1040, 6851), (1054, 6760), (1105, 6448), (1240, 5746), (1352, 5270), (1360, 5239), (1612, 4420), (1690, 4216), (1768, 4030), (2015, 3536), (2108, 3380), (2210, 3224), (2480, 2873), (2635, 2704)]