31971420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1051}}^1$

素因数の和:1092

約数の個数: 108

約数和(自身を含む): 105113736

約数和(自身を除く): 73142316

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, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1051, 1170, 1521, 1690, 2028, 2102, 2340, 2535, 3042, 3153, 3380, 4204, 5070, 5255, 6084, 6306, 7605, 9459, 10140, 10510, 12612, 13663, 15210, 15765, 18918, 21020, 27326, 30420, 31530, 37836, 40989, 47295, 54652, 63060, 68315, 81978, 94590, 122967, 136630, 163956, 177619, 189180, 204945, 245934, 273260, 355238, 409890, 491868, 532857, 614835, 710476, 819780, 888095, 1065714, 1229670, 1598571, 1776190, 2131428, 2459340, 2664285, 3197142, 3552380, 5328570, 6394284, 7992855, 10657140, 15985710, 31971420]

約数ペア:

[(1, 31971420), (2, 15985710), (3, 10657140), (4, 7992855), (5, 6394284), (6, 5328570), (9, 3552380), (10, 3197142), (12, 2664285), (13, 2459340), (15, 2131428), (18, 1776190), (20, 1598571), (26, 1229670), (30, 1065714), (36, 888095), (39, 819780), (45, 710476), (52, 614835), (60, 532857), (65, 491868), (78, 409890), (90, 355238), (117, 273260), (130, 245934), (156, 204945), (169, 189180), (180, 177619), (195, 163956), (234, 136630), (260, 122967), (338, 94590), (390, 81978), (468, 68315), (507, 63060), (585, 54652), (676, 47295), (780, 40989), (845, 37836), (1014, 31530), (1051, 30420), (1170, 27326), (1521, 21020), (1690, 18918), (2028, 15765), (2102, 15210), (2340, 13663), (2535, 12612), (3042, 10510), (3153, 10140), (3380, 9459), (4204, 7605), (5070, 6306), (5255, 6084)]