8141640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 27941760

約数和(自身を除く): 19800120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 307, 312, 340, 390, 408, 442, 510, 520, 614, 663, 680, 780, 884, 921, 1020, 1105, 1228, 1326, 1535, 1560, 1768, 1842, 2040, 2210, 2456, 2652, 3070, 3315, 3684, 3991, 4420, 4605, 5219, 5304, 6140, 6630, 7368, 7982, 8840, 9210, 10438, 11973, 12280, 13260, 15657, 15964, 18420, 19955, 20876, 23946, 26095, 26520, 31314, 31928, 36840, 39910, 41752, 47892, 52190, 59865, 62628, 67847, 78285, 79820, 95784, 104380, 119730, 125256, 135694, 156570, 159640, 203541, 208760, 239460, 271388, 313140, 339235, 407082, 478920, 542776, 626280, 678470, 814164, 1017705, 1356940, 1628328, 2035410, 2713880, 4070820, 8141640]

約数ペア:

[(1, 8141640), (2, 4070820), (3, 2713880), (4, 2035410), (5, 1628328), (6, 1356940), (8, 1017705), (10, 814164), (12, 678470), (13, 626280), (15, 542776), (17, 478920), (20, 407082), (24, 339235), (26, 313140), (30, 271388), (34, 239460), (39, 208760), (40, 203541), (51, 159640), (52, 156570), (60, 135694), (65, 125256), (68, 119730), (78, 104380), (85, 95784), (102, 79820), (104, 78285), (120, 67847), (130, 62628), (136, 59865), (156, 52190), (170, 47892), (195, 41752), (204, 39910), (221, 36840), (255, 31928), (260, 31314), (307, 26520), (312, 26095), (340, 23946), (390, 20876), (408, 19955), (442, 18420), (510, 15964), (520, 15657), (614, 13260), (663, 12280), (680, 11973), (780, 10438), (884, 9210), (921, 8840), (1020, 7982), (1105, 7368), (1228, 6630), (1326, 6140), (1535, 5304), (1560, 5219), (1768, 4605), (1842, 4420), (2040, 3991), (2210, 3684), (2456, 3315), (2652, 3070)]