7820280

素因数分解:

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

素因数の和:590

約数の個数: 128

約数和(自身を含む): 28123200

約数和(自身を除く): 20302920

約数列:

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

約数ペア:

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