28650120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{881}}^1$

素因数の和:1166

約数の個数: 64

約数和(自身を含む): 86365440

約数和(自身を除く): 57715320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 271, 542, 813, 881, 1084, 1355, 1626, 1762, 2168, 2643, 2710, 3252, 3524, 4065, 4405, 5286, 5420, 6504, 7048, 8130, 8810, 10572, 10840, 13215, 16260, 17620, 21144, 26430, 32520, 35240, 52860, 105720, 238751, 477502, 716253, 955004, 1193755, 1432506, 1910008, 2387510, 2865012, 3581265, 4775020, 5730024, 7162530, 9550040, 14325060, 28650120]

約数ペア:

[(1, 28650120), (2, 14325060), (3, 9550040), (4, 7162530), (5, 5730024), (6, 4775020), (8, 3581265), (10, 2865012), (12, 2387510), (15, 1910008), (20, 1432506), (24, 1193755), (30, 955004), (40, 716253), (60, 477502), (120, 238751), (271, 105720), (542, 52860), (813, 35240), (881, 32520), (1084, 26430), (1355, 21144), (1626, 17620), (1762, 16260), (2168, 13215), (2643, 10840), (2710, 10572), (3252, 8810), (3524, 8130), (4065, 7048), (4405, 6504), (5286, 5420)]