26551980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1621}}^1$

素因数の和:1656

約数の個数: 144

約数和(自身を含む): 99188544

約数和(自身を除く): 72636564

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1621, 1638, 1820, 2340, 2730, 3242, 3276, 4095, 4863, 5460, 6484, 8105, 8190, 9726, 11347, 14589, 16210, 16380, 19452, 21073, 22694, 24315, 29178, 32420, 34041, 42146, 45388, 48630, 56735, 58356, 63219, 68082, 72945, 84292, 97260, 102123, 105365, 113470, 126438, 136164, 145890, 147511, 170205, 189657, 204246, 210730, 226940, 252876, 291780, 295022, 316095, 340410, 379314, 408492, 421460, 442533, 510615, 590044, 632190, 680820, 737555, 758628, 885066, 948285, 1021230, 1264380, 1327599, 1475110, 1770132, 1896570, 2042460, 2212665, 2655198, 2950220, 3793140, 4425330, 5310396, 6637995, 8850660, 13275990, 26551980]

約数ペア:

[(1, 26551980), (2, 13275990), (3, 8850660), (4, 6637995), (5, 5310396), (6, 4425330), (7, 3793140), (9, 2950220), (10, 2655198), (12, 2212665), (13, 2042460), (14, 1896570), (15, 1770132), (18, 1475110), (20, 1327599), (21, 1264380), (26, 1021230), (28, 948285), (30, 885066), (35, 758628), (36, 737555), (39, 680820), (42, 632190), (45, 590044), (52, 510615), (60, 442533), (63, 421460), (65, 408492), (70, 379314), (78, 340410), (84, 316095), (90, 295022), (91, 291780), (105, 252876), (117, 226940), (126, 210730), (130, 204246), (140, 189657), (156, 170205), (180, 147511), (182, 145890), (195, 136164), (210, 126438), (234, 113470), (252, 105365), (260, 102123), (273, 97260), (315, 84292), (364, 72945), (390, 68082), (420, 63219), (455, 58356), (468, 56735), (546, 48630), (585, 45388), (630, 42146), (780, 34041), (819, 32420), (910, 29178), (1092, 24315), (1170, 22694), (1260, 21073), (1365, 19452), (1621, 16380), (1638, 16210), (1820, 14589), (2340, 11347), (2730, 9726), (3242, 8190), (3276, 8105), (4095, 6484), (4863, 5460)]