28780200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 98654400

約数和(自身を除く): 69874200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 59, 60, 72, 75, 90, 100, 118, 120, 150, 177, 180, 200, 225, 236, 271, 295, 300, 354, 360, 450, 472, 531, 542, 590, 600, 708, 813, 885, 900, 1062, 1084, 1180, 1355, 1416, 1475, 1626, 1770, 1800, 2124, 2168, 2360, 2439, 2655, 2710, 2950, 3252, 3540, 4065, 4248, 4425, 4878, 5310, 5420, 5900, 6504, 6775, 7080, 8130, 8850, 9756, 10620, 10840, 11800, 12195, 13275, 13550, 15989, 16260, 17700, 19512, 20325, 21240, 24390, 26550, 27100, 31978, 32520, 35400, 40650, 47967, 48780, 53100, 54200, 60975, 63956, 79945, 81300, 95934, 97560, 106200, 121950, 127912, 143901, 159890, 162600, 191868, 239835, 243900, 287802, 319780, 383736, 399725, 479670, 487800, 575604, 639560, 719505, 799450, 959340, 1151208, 1199175, 1439010, 1598900, 1918680, 2398350, 2878020, 3197800, 3597525, 4796700, 5756040, 7195050, 9593400, 14390100, 28780200]

約数ペア:

[(1, 28780200), (2, 14390100), (3, 9593400), (4, 7195050), (5, 5756040), (6, 4796700), (8, 3597525), (9, 3197800), (10, 2878020), (12, 2398350), (15, 1918680), (18, 1598900), (20, 1439010), (24, 1199175), (25, 1151208), (30, 959340), (36, 799450), (40, 719505), (45, 639560), (50, 575604), (59, 487800), (60, 479670), (72, 399725), (75, 383736), (90, 319780), (100, 287802), (118, 243900), (120, 239835), (150, 191868), (177, 162600), (180, 159890), (200, 143901), (225, 127912), (236, 121950), (271, 106200), (295, 97560), (300, 95934), (354, 81300), (360, 79945), (450, 63956), (472, 60975), (531, 54200), (542, 53100), (590, 48780), (600, 47967), (708, 40650), (813, 35400), (885, 32520), (900, 31978), (1062, 27100), (1084, 26550), (1180, 24390), (1355, 21240), (1416, 20325), (1475, 19512), (1626, 17700), (1770, 16260), (1800, 15989), (2124, 13550), (2168, 13275), (2360, 12195), (2439, 11800), (2655, 10840), (2710, 10620), (2950, 9756), (3252, 8850), (3540, 8130), (4065, 7080), (4248, 6775), (4425, 6504), (4878, 5900), (5310, 5420)]