144956620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:883

約数の個数: 72

約数和(自身を含む): 334212480

約数和(自身を除く): 189255860

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 289, 310, 340, 527, 578, 620, 809, 1054, 1156, 1445, 1618, 2108, 2635, 2890, 3236, 4045, 5270, 5780, 8090, 8959, 10540, 13753, 16180, 17918, 25079, 27506, 35836, 44795, 50158, 55012, 68765, 89590, 100316, 125395, 137530, 179180, 233801, 250790, 275060, 426343, 467602, 501580, 852686, 935204, 1169005, 1705372, 2131715, 2338010, 4263430, 4676020, 7247831, 8526860, 14495662, 28991324, 36239155, 72478310, 144956620]

約数ペア:

[(1, 144956620), (2, 72478310), (4, 36239155), (5, 28991324), (10, 14495662), (17, 8526860), (20, 7247831), (31, 4676020), (34, 4263430), (62, 2338010), (68, 2131715), (85, 1705372), (124, 1169005), (155, 935204), (170, 852686), (289, 501580), (310, 467602), (340, 426343), (527, 275060), (578, 250790), (620, 233801), (809, 179180), (1054, 137530), (1156, 125395), (1445, 100316), (1618, 89590), (2108, 68765), (2635, 55012), (2890, 50158), (3236, 44795), (4045, 35836), (5270, 27506), (5780, 25079), (8090, 17918), (8959, 16180), (10540, 13753)]