28606760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:331

約数の個数: 128

約数和(自身を含む): 82252800

約数和(自身を除く): 53646040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 91, 104, 116, 130, 140, 145, 182, 203, 232, 260, 271, 280, 290, 364, 377, 406, 455, 520, 542, 580, 728, 754, 812, 910, 1015, 1084, 1160, 1355, 1508, 1624, 1820, 1885, 1897, 2030, 2168, 2639, 2710, 3016, 3523, 3640, 3770, 3794, 4060, 5278, 5420, 7046, 7540, 7588, 7859, 8120, 9485, 10556, 10840, 13195, 14092, 15080, 15176, 15718, 17615, 18970, 21112, 24661, 26390, 28184, 31436, 35230, 37940, 39295, 49322, 52780, 55013, 62872, 70460, 75880, 78590, 98644, 102167, 105560, 110026, 123305, 140920, 157180, 197288, 204334, 220052, 246610, 275065, 314360, 408668, 440104, 493220, 510835, 550130, 715169, 817336, 986440, 1021670, 1100260, 1430338, 2043340, 2200520, 2860676, 3575845, 4086680, 5721352, 7151690, 14303380, 28606760]

約数ペア:

[(1, 28606760), (2, 14303380), (4, 7151690), (5, 5721352), (7, 4086680), (8, 3575845), (10, 2860676), (13, 2200520), (14, 2043340), (20, 1430338), (26, 1100260), (28, 1021670), (29, 986440), (35, 817336), (40, 715169), (52, 550130), (56, 510835), (58, 493220), (65, 440104), (70, 408668), (91, 314360), (104, 275065), (116, 246610), (130, 220052), (140, 204334), (145, 197288), (182, 157180), (203, 140920), (232, 123305), (260, 110026), (271, 105560), (280, 102167), (290, 98644), (364, 78590), (377, 75880), (406, 70460), (455, 62872), (520, 55013), (542, 52780), (580, 49322), (728, 39295), (754, 37940), (812, 35230), (910, 31436), (1015, 28184), (1084, 26390), (1160, 24661), (1355, 21112), (1508, 18970), (1624, 17615), (1820, 15718), (1885, 15176), (1897, 15080), (2030, 14092), (2168, 13195), (2639, 10840), (2710, 10556), (3016, 9485), (3523, 8120), (3640, 7859), (3770, 7588), (3794, 7540), (4060, 7046), (5278, 5420)]