28461420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12163}}^1$

素因数の和:12191

約数の個数: 72

約数和(自身を含む): 92981616

約数和(自身を除く): 64520196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 12163, 24326, 36489, 48652, 60815, 72978, 109467, 121630, 145956, 158119, 182445, 218934, 243260, 316238, 364890, 437868, 474357, 547335, 632476, 729780, 790595, 948714, 1094670, 1423071, 1581190, 1897428, 2189340, 2371785, 2846142, 3162380, 4743570, 5692284, 7115355, 9487140, 14230710, 28461420]

約数ペア:

[(1, 28461420), (2, 14230710), (3, 9487140), (4, 7115355), (5, 5692284), (6, 4743570), (9, 3162380), (10, 2846142), (12, 2371785), (13, 2189340), (15, 1897428), (18, 1581190), (20, 1423071), (26, 1094670), (30, 948714), (36, 790595), (39, 729780), (45, 632476), (52, 547335), (60, 474357), (65, 437868), (78, 364890), (90, 316238), (117, 243260), (130, 218934), (156, 182445), (180, 158119), (195, 145956), (234, 121630), (260, 109467), (390, 72978), (468, 60815), (585, 48652), (780, 36489), (1170, 24326), (2340, 12163)]