42120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1$

素因数の和:36

約数の個数: 80

約数和(自身を含む): 152460

約数和(自身を除く): 110340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 520, 540, 585, 648, 702, 780, 810, 936, 1053, 1080, 1170, 1404, 1560, 1620, 1755, 2106, 2340, 2808, 3240, 3510, 4212, 4680, 5265, 7020, 8424, 10530, 14040, 21060, 42120]

約数ペア:

[(1, 42120), (2, 21060), (3, 14040), (4, 10530), (5, 8424), (6, 7020), (8, 5265), (9, 4680), (10, 4212), (12, 3510), (13, 3240), (15, 2808), (18, 2340), (20, 2106), (24, 1755), (26, 1620), (27, 1560), (30, 1404), (36, 1170), (39, 1080), (40, 1053), (45, 936), (52, 810), (54, 780), (60, 702), (65, 648), (72, 585), (78, 540), (81, 520), (90, 468), (104, 405), (108, 390), (117, 360), (120, 351), (130, 324), (135, 312), (156, 270), (162, 260), (180, 234), (195, 216)]