78959560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1399}}^1$

素因数の和:1510

約数の個数: 64

約数和(自身を含む): 190512000

約数和(自身を除く): 111552440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 83, 85, 136, 166, 170, 332, 340, 415, 664, 680, 830, 1399, 1411, 1660, 2798, 2822, 3320, 5596, 5644, 6995, 7055, 11192, 11288, 13990, 14110, 23783, 27980, 28220, 47566, 55960, 56440, 95132, 116117, 118915, 190264, 232234, 237830, 464468, 475660, 580585, 928936, 951320, 1161170, 1973989, 2322340, 3947978, 4644680, 7895956, 9869945, 15791912, 19739890, 39479780, 78959560]

約数ペア:

[(1, 78959560), (2, 39479780), (4, 19739890), (5, 15791912), (8, 9869945), (10, 7895956), (17, 4644680), (20, 3947978), (34, 2322340), (40, 1973989), (68, 1161170), (83, 951320), (85, 928936), (136, 580585), (166, 475660), (170, 464468), (332, 237830), (340, 232234), (415, 190264), (664, 118915), (680, 116117), (830, 95132), (1399, 56440), (1411, 55960), (1660, 47566), (2798, 28220), (2822, 27980), (3320, 23783), (5596, 14110), (5644, 13990), (6995, 11288), (7055, 11192)]