18372720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2069}}^1$

素因数の和:2122

約数の個数: 80

約数和(自身を含む): 58523040

約数和(自身を除く): 40150320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2069, 2220, 2960, 4138, 4440, 6207, 8276, 8880, 10345, 12414, 16552, 20690, 24828, 31035, 33104, 41380, 49656, 62070, 76553, 82760, 99312, 124140, 153106, 165520, 229659, 248280, 306212, 382765, 459318, 496560, 612424, 765530, 918636, 1148295, 1224848, 1531060, 1837272, 2296590, 3062120, 3674544, 4593180, 6124240, 9186360, 18372720]

約数ペア:

[(1, 18372720), (2, 9186360), (3, 6124240), (4, 4593180), (5, 3674544), (6, 3062120), (8, 2296590), (10, 1837272), (12, 1531060), (15, 1224848), (16, 1148295), (20, 918636), (24, 765530), (30, 612424), (37, 496560), (40, 459318), (48, 382765), (60, 306212), (74, 248280), (80, 229659), (111, 165520), (120, 153106), (148, 124140), (185, 99312), (222, 82760), (240, 76553), (296, 62070), (370, 49656), (444, 41380), (555, 33104), (592, 31035), (740, 24828), (888, 20690), (1110, 16552), (1480, 12414), (1776, 10345), (2069, 8880), (2220, 8276), (2960, 6207), (4138, 4440)]