1531400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 96

約数和(自身を含む): 4166400

約数和(自身を除く): 2635000

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 31, 38, 40, 50, 52, 62, 65, 76, 95, 100, 104, 124, 130, 152, 155, 190, 200, 247, 248, 260, 310, 325, 380, 403, 475, 494, 520, 589, 620, 650, 760, 775, 806, 950, 988, 1178, 1235, 1240, 1300, 1550, 1612, 1900, 1976, 2015, 2356, 2470, 2600, 2945, 3100, 3224, 3800, 4030, 4712, 4940, 5890, 6175, 6200, 7657, 8060, 9880, 10075, 11780, 12350, 14725, 15314, 16120, 20150, 23560, 24700, 29450, 30628, 38285, 40300, 49400, 58900, 61256, 76570, 80600, 117800, 153140, 191425, 306280, 382850, 765700, 1531400]

約数ペア:

[(1, 1531400), (2, 765700), (4, 382850), (5, 306280), (8, 191425), (10, 153140), (13, 117800), (19, 80600), (20, 76570), (25, 61256), (26, 58900), (31, 49400), (38, 40300), (40, 38285), (50, 30628), (52, 29450), (62, 24700), (65, 23560), (76, 20150), (95, 16120), (100, 15314), (104, 14725), (124, 12350), (130, 11780), (152, 10075), (155, 9880), (190, 8060), (200, 7657), (247, 6200), (248, 6175), (260, 5890), (310, 4940), (325, 4712), (380, 4030), (403, 3800), (475, 3224), (494, 3100), (520, 2945), (589, 2600), (620, 2470), (650, 2356), (760, 2015), (775, 1976), (806, 1900), (950, 1612), (988, 1550), (1178, 1300), (1235, 1240)]