28473840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:647

約数の個数: 120

約数和(自身を含む): 97145568

約数和(自身を除く): 68671728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 557, 568, 639, 710, 720, 852, 1065, 1114, 1136, 1278, 1420, 1671, 1704, 2130, 2228, 2556, 2785, 2840, 3195, 3342, 3408, 4260, 4456, 5013, 5112, 5570, 5680, 6390, 6684, 8355, 8520, 8912, 10026, 10224, 11140, 12780, 13368, 16710, 17040, 20052, 22280, 25065, 25560, 26736, 33420, 39547, 40104, 44560, 50130, 51120, 66840, 79094, 80208, 100260, 118641, 133680, 158188, 197735, 200520, 237282, 316376, 355923, 395470, 401040, 474564, 593205, 632752, 711846, 790940, 949128, 1186410, 1423692, 1581880, 1779615, 1898256, 2372820, 2847384, 3163760, 3559230, 4745640, 5694768, 7118460, 9491280, 14236920, 28473840]

約数ペア:

[(1, 28473840), (2, 14236920), (3, 9491280), (4, 7118460), (5, 5694768), (6, 4745640), (8, 3559230), (9, 3163760), (10, 2847384), (12, 2372820), (15, 1898256), (16, 1779615), (18, 1581880), (20, 1423692), (24, 1186410), (30, 949128), (36, 790940), (40, 711846), (45, 632752), (48, 593205), (60, 474564), (71, 401040), (72, 395470), (80, 355923), (90, 316376), (120, 237282), (142, 200520), (144, 197735), (180, 158188), (213, 133680), (240, 118641), (284, 100260), (355, 80208), (360, 79094), (426, 66840), (557, 51120), (568, 50130), (639, 44560), (710, 40104), (720, 39547), (852, 33420), (1065, 26736), (1114, 25560), (1136, 25065), (1278, 22280), (1420, 20052), (1671, 17040), (1704, 16710), (2130, 13368), (2228, 12780), (2556, 11140), (2785, 10224), (2840, 10026), (3195, 8912), (3342, 8520), (3408, 8355), (4260, 6684), (4456, 6390), (5013, 5680), (5112, 5570)]