138720

素因数分解:

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

素因数の和:52

約数の個数: 72

約数和(自身を含む): 464184

約数和(自身を除く): 325464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 289, 340, 408, 480, 510, 544, 578, 680, 816, 867, 1020, 1156, 1360, 1445, 1632, 1734, 2040, 2312, 2720, 2890, 3468, 4080, 4335, 4624, 5780, 6936, 8160, 8670, 9248, 11560, 13872, 17340, 23120, 27744, 34680, 46240, 69360, 138720]

約数ペア:

[(1, 138720), (2, 69360), (3, 46240), (4, 34680), (5, 27744), (6, 23120), (8, 17340), (10, 13872), (12, 11560), (15, 9248), (16, 8670), (17, 8160), (20, 6936), (24, 5780), (30, 4624), (32, 4335), (34, 4080), (40, 3468), (48, 2890), (51, 2720), (60, 2312), (68, 2040), (80, 1734), (85, 1632), (96, 1445), (102, 1360), (120, 1156), (136, 1020), (160, 867), (170, 816), (204, 680), (240, 578), (255, 544), (272, 510), (289, 480), (340, 408)]