1225120

素因数分解:

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

素因数の和:78

約数の個数: 96

約数和(自身を含む): 3386880

約数和(自身を除く): 2161760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 160, 190, 208, 247, 248, 260, 304, 310, 380, 403, 416, 494, 496, 520, 589, 608, 620, 760, 806, 988, 992, 1040, 1178, 1235, 1240, 1520, 1612, 1976, 2015, 2080, 2356, 2470, 2480, 2945, 3040, 3224, 3952, 4030, 4712, 4940, 4960, 5890, 6448, 7657, 7904, 8060, 9424, 9880, 11780, 12896, 15314, 16120, 18848, 19760, 23560, 30628, 32240, 38285, 39520, 47120, 61256, 64480, 76570, 94240, 122512, 153140, 245024, 306280, 612560, 1225120]

約数ペア:

[(1, 1225120), (2, 612560), (4, 306280), (5, 245024), (8, 153140), (10, 122512), (13, 94240), (16, 76570), (19, 64480), (20, 61256), (26, 47120), (31, 39520), (32, 38285), (38, 32240), (40, 30628), (52, 23560), (62, 19760), (65, 18848), (76, 16120), (80, 15314), (95, 12896), (104, 11780), (124, 9880), (130, 9424), (152, 8060), (155, 7904), (160, 7657), (190, 6448), (208, 5890), (247, 4960), (248, 4940), (260, 4712), (304, 4030), (310, 3952), (380, 3224), (403, 3040), (416, 2945), (494, 2480), (496, 2470), (520, 2356), (589, 2080), (608, 2015), (620, 1976), (760, 1612), (806, 1520), (988, 1240), (992, 1235), (1040, 1178)]