15640560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1$

素因数の和:592

約数の個数: 160

約数和(自身を含む): 58121280

約数和(自身を除く): 42480720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 557, 585, 624, 702, 720, 780, 936, 1040, 1080, 1114, 1170, 1404, 1560, 1671, 1755, 1872, 2160, 2228, 2340, 2785, 2808, 3120, 3342, 3510, 4456, 4680, 5013, 5570, 5616, 6684, 7020, 7241, 8355, 8912, 9360, 10026, 11140, 13368, 14040, 14482, 15039, 16710, 20052, 21723, 22280, 25065, 26736, 28080, 28964, 30078, 33420, 36205, 40104, 43446, 44560, 50130, 57928, 60156, 65169, 66840, 72410, 75195, 80208, 86892, 100260, 108615, 115856, 120312, 130338, 133680, 144820, 150390, 173784, 195507, 200520, 217230, 240624, 260676, 289640, 300780, 325845, 347568, 391014, 401040, 434460, 521352, 579280, 601560, 651690, 782028, 868920, 977535, 1042704, 1203120, 1303380, 1564056, 1737840, 1955070, 2606760, 3128112, 3910140, 5213520, 7820280, 15640560]

約数ペア:

[(1, 15640560), (2, 7820280), (3, 5213520), (4, 3910140), (5, 3128112), (6, 2606760), (8, 1955070), (9, 1737840), (10, 1564056), (12, 1303380), (13, 1203120), (15, 1042704), (16, 977535), (18, 868920), (20, 782028), (24, 651690), (26, 601560), (27, 579280), (30, 521352), (36, 434460), (39, 401040), (40, 391014), (45, 347568), (48, 325845), (52, 300780), (54, 289640), (60, 260676), (65, 240624), (72, 217230), (78, 200520), (80, 195507), (90, 173784), (104, 150390), (108, 144820), (117, 133680), (120, 130338), (130, 120312), (135, 115856), (144, 108615), (156, 100260), (180, 86892), (195, 80208), (208, 75195), (216, 72410), (234, 66840), (240, 65169), (260, 60156), (270, 57928), (312, 50130), (351, 44560), (360, 43446), (390, 40104), (432, 36205), (468, 33420), (520, 30078), (540, 28964), (557, 28080), (585, 26736), (624, 25065), (702, 22280), (720, 21723), (780, 20052), (936, 16710), (1040, 15039), (1080, 14482), (1114, 14040), (1170, 13368), (1404, 11140), (1560, 10026), (1671, 9360), (1755, 8912), (1872, 8355), (2160, 7241), (2228, 7020), (2340, 6684), (2785, 5616), (2808, 5570), (3120, 5013), (3342, 4680), (3510, 4456)]