42004170

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3989}}^1$

素因数の和:4021

約数の個数: 80

約数和(自身を含む): 121663080

約数和(自身を除く): 79658910

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 2106, 3510, 3989, 5265, 7978, 10530, 11967, 19945, 23934, 35901, 39890, 51857, 59835, 71802, 103714, 107703, 119670, 155571, 179505, 215406, 259285, 311142, 323109, 359010, 466713, 518570, 538515, 646218, 777855, 933426, 1077030, 1400139, 1555710, 1615545, 2333565, 2800278, 3231090, 4200417, 4667130, 7000695, 8400834, 14001390, 21002085, 42004170]

約数ペア:

[(1, 42004170), (2, 21002085), (3, 14001390), (5, 8400834), (6, 7000695), (9, 4667130), (10, 4200417), (13, 3231090), (15, 2800278), (18, 2333565), (26, 1615545), (27, 1555710), (30, 1400139), (39, 1077030), (45, 933426), (54, 777855), (65, 646218), (78, 538515), (81, 518570), (90, 466713), (117, 359010), (130, 323109), (135, 311142), (162, 259285), (195, 215406), (234, 179505), (270, 155571), (351, 119670), (390, 107703), (405, 103714), (585, 71802), (702, 59835), (810, 51857), (1053, 39890), (1170, 35901), (1755, 23934), (2106, 19945), (3510, 11967), (3989, 10530), (5265, 7978)]