72345780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:790

約数の個数: 144

約数和(自身を含む): 242161920

約数和(自身を除く): 169816140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 387, 390, 430, 468, 516, 559, 585, 645, 719, 774, 780, 860, 1118, 1170, 1290, 1438, 1548, 1677, 1935, 2157, 2236, 2340, 2580, 2795, 2876, 3354, 3595, 3870, 4314, 5031, 5590, 6471, 6708, 7190, 7740, 8385, 8628, 9347, 10062, 10785, 11180, 12942, 14380, 16770, 18694, 20124, 21570, 25155, 25884, 28041, 30917, 32355, 33540, 37388, 43140, 46735, 50310, 56082, 61834, 64710, 84123, 92751, 93470, 100620, 112164, 123668, 129420, 140205, 154585, 168246, 185502, 186940, 278253, 280410, 309170, 336492, 371004, 401921, 420615, 463755, 556506, 560820, 618340, 803842, 841230, 927510, 1113012, 1205763, 1391265, 1607684, 1682460, 1855020, 2009605, 2411526, 2782530, 3617289, 4019210, 4823052, 5565060, 6028815, 7234578, 8038420, 12057630, 14469156, 18086445, 24115260, 36172890, 72345780]

約数ペア:

[(1, 72345780), (2, 36172890), (3, 24115260), (4, 18086445), (5, 14469156), (6, 12057630), (9, 8038420), (10, 7234578), (12, 6028815), (13, 5565060), (15, 4823052), (18, 4019210), (20, 3617289), (26, 2782530), (30, 2411526), (36, 2009605), (39, 1855020), (43, 1682460), (45, 1607684), (52, 1391265), (60, 1205763), (65, 1113012), (78, 927510), (86, 841230), (90, 803842), (117, 618340), (129, 560820), (130, 556506), (156, 463755), (172, 420615), (180, 401921), (195, 371004), (215, 336492), (234, 309170), (258, 280410), (260, 278253), (387, 186940), (390, 185502), (430, 168246), (468, 154585), (516, 140205), (559, 129420), (585, 123668), (645, 112164), (719, 100620), (774, 93470), (780, 92751), (860, 84123), (1118, 64710), (1170, 61834), (1290, 56082), (1438, 50310), (1548, 46735), (1677, 43140), (1935, 37388), (2157, 33540), (2236, 32355), (2340, 30917), (2580, 28041), (2795, 25884), (2876, 25155), (3354, 21570), (3595, 20124), (3870, 18694), (4314, 16770), (5031, 14380), (5590, 12942), (6471, 11180), (6708, 10785), (7190, 10062), (7740, 9347), (8385, 8628)]