257615520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{536699}}^1$

素因数の和:536717

約数の個数: 48

約数和(自身を含む): 811490400

約数和(自身を除く): 553874880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 536699, 1073398, 1610097, 2146796, 2683495, 3220194, 4293592, 5366990, 6440388, 8050485, 8587184, 10733980, 12880776, 16100970, 17174368, 21467960, 25761552, 32201940, 42935920, 51523104, 64403880, 85871840, 128807760, 257615520]

約数ペア:

[(1, 257615520), (2, 128807760), (3, 85871840), (4, 64403880), (5, 51523104), (6, 42935920), (8, 32201940), (10, 25761552), (12, 21467960), (15, 17174368), (16, 16100970), (20, 12880776), (24, 10733980), (30, 8587184), (32, 8050485), (40, 6440388), (48, 5366990), (60, 4293592), (80, 3220194), (96, 2683495), (120, 2146796), (160, 1610097), (240, 1073398), (480, 536699)]