30993120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21523}}^1$

素因数の和:21544

約数の個数: 72

約数和(自身を含む): 105768936

約数和(自身を除く): 74775816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 21523, 43046, 64569, 86092, 107615, 129138, 172184, 193707, 215230, 258276, 322845, 344368, 387414, 430460, 516552, 645690, 688736, 774828, 860920, 968535, 1033104, 1291380, 1549656, 1721840, 1937070, 2066208, 2582760, 3099312, 3443680, 3874140, 5165520, 6198624, 7748280, 10331040, 15496560, 30993120]

約数ペア:

[(1, 30993120), (2, 15496560), (3, 10331040), (4, 7748280), (5, 6198624), (6, 5165520), (8, 3874140), (9, 3443680), (10, 3099312), (12, 2582760), (15, 2066208), (16, 1937070), (18, 1721840), (20, 1549656), (24, 1291380), (30, 1033104), (32, 968535), (36, 860920), (40, 774828), (45, 688736), (48, 645690), (60, 516552), (72, 430460), (80, 387414), (90, 344368), (96, 322845), (120, 258276), (144, 215230), (160, 193707), (180, 172184), (240, 129138), (288, 107615), (360, 86092), (480, 64569), (720, 43046), (1440, 21523)]