991771560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70639}}^1$

素因数の和:70672

約数の個数: 128

約数和(自身を含む): 3560256000

約数和(自身を除く): 2568484440

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, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 70639, 141278, 211917, 282556, 353195, 423834, 565112, 635751, 706390, 847668, 918307, 1059585, 1271502, 1412780, 1695336, 1836614, 1907253, 2119170, 2543004, 2754921, 2825560, 3178755, 3673228, 3814506, 4238340, 4591535, 5086008, 5509842, 6357510, 7346456, 7629012, 8264763, 8476680, 9183070, 9536265, 11019684, 12715020, 13774605, 15258024, 16529526, 18366140, 19072530, 22039368, 24794289, 25430040, 27549210, 33059052, 36732280, 38145060, 41323815, 49588578, 55098420, 66118104, 76290120, 82647630, 99177156, 110196840, 123971445, 165295260, 198354312, 247942890, 330590520, 495885780, 991771560]

約数ペア:

[(1, 991771560), (2, 495885780), (3, 330590520), (4, 247942890), (5, 198354312), (6, 165295260), (8, 123971445), (9, 110196840), (10, 99177156), (12, 82647630), (13, 76290120), (15, 66118104), (18, 55098420), (20, 49588578), (24, 41323815), (26, 38145060), (27, 36732280), (30, 33059052), (36, 27549210), (39, 25430040), (40, 24794289), (45, 22039368), (52, 19072530), (54, 18366140), (60, 16529526), (65, 15258024), (72, 13774605), (78, 12715020), (90, 11019684), (104, 9536265), (108, 9183070), (117, 8476680), (120, 8264763), (130, 7629012), (135, 7346456), (156, 6357510), (180, 5509842), (195, 5086008), (216, 4591535), (234, 4238340), (260, 3814506), (270, 3673228), (312, 3178755), (351, 2825560), (360, 2754921), (390, 2543004), (468, 2119170), (520, 1907253), (540, 1836614), (585, 1695336), (702, 1412780), (780, 1271502), (936, 1059585), (1080, 918307), (1170, 847668), (1404, 706390), (1560, 635751), (1755, 565112), (2340, 423834), (2808, 353195), (3510, 282556), (4680, 211917), (7020, 141278), (14040, 70639)]