31470720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:502

約数の個数: 128

約数和(自身を含む): 103256640

約数和(自身を除く): 71785920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 296, 320, 370, 384, 443, 444, 480, 555, 592, 640, 740, 886, 888, 960, 1110, 1184, 1329, 1480, 1772, 1776, 1920, 2215, 2220, 2368, 2658, 2960, 3544, 3552, 4430, 4440, 4736, 5316, 5920, 6645, 7088, 7104, 8860, 8880, 10632, 11840, 13290, 14176, 14208, 16391, 17720, 17760, 21264, 23680, 26580, 28352, 32782, 35440, 35520, 42528, 49173, 53160, 56704, 65564, 70880, 71040, 81955, 85056, 98346, 106320, 131128, 141760, 163910, 170112, 196692, 212640, 245865, 262256, 283520, 327820, 393384, 425280, 491730, 524512, 655640, 786768, 850560, 983460, 1049024, 1311280, 1573536, 1966920, 2098048, 2622560, 3147072, 3933840, 5245120, 6294144, 7867680, 10490240, 15735360, 31470720]

約数ペア:

[(1, 31470720), (2, 15735360), (3, 10490240), (4, 7867680), (5, 6294144), (6, 5245120), (8, 3933840), (10, 3147072), (12, 2622560), (15, 2098048), (16, 1966920), (20, 1573536), (24, 1311280), (30, 1049024), (32, 983460), (37, 850560), (40, 786768), (48, 655640), (60, 524512), (64, 491730), (74, 425280), (80, 393384), (96, 327820), (111, 283520), (120, 262256), (128, 245865), (148, 212640), (160, 196692), (185, 170112), (192, 163910), (222, 141760), (240, 131128), (296, 106320), (320, 98346), (370, 85056), (384, 81955), (443, 71040), (444, 70880), (480, 65564), (555, 56704), (592, 53160), (640, 49173), (740, 42528), (886, 35520), (888, 35440), (960, 32782), (1110, 28352), (1184, 26580), (1329, 23680), (1480, 21264), (1772, 17760), (1776, 17720), (1920, 16391), (2215, 14208), (2220, 14176), (2368, 13290), (2658, 11840), (2960, 10632), (3544, 8880), (3552, 8860), (4430, 7104), (4440, 7088), (4736, 6645), (5316, 5920)]