144840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:102

約数の個数: 64

約数和(自身を含む): 466560

約数和(自身を除く): 321720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 71, 85, 102, 120, 136, 142, 170, 204, 213, 255, 284, 340, 355, 408, 426, 510, 568, 680, 710, 852, 1020, 1065, 1207, 1420, 1704, 2040, 2130, 2414, 2840, 3621, 4260, 4828, 6035, 7242, 8520, 9656, 12070, 14484, 18105, 24140, 28968, 36210, 48280, 72420, 144840]

約数ペア:

[(1, 144840), (2, 72420), (3, 48280), (4, 36210), (5, 28968), (6, 24140), (8, 18105), (10, 14484), (12, 12070), (15, 9656), (17, 8520), (20, 7242), (24, 6035), (30, 4828), (34, 4260), (40, 3621), (51, 2840), (60, 2414), (68, 2130), (71, 2040), (85, 1704), (102, 1420), (120, 1207), (136, 1065), (142, 1020), (170, 852), (204, 710), (213, 680), (255, 568), (284, 510), (340, 426), (355, 408)]