1260956840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{220447}}^1$

素因数の和:220482

約数の個数: 64

約数和(自身を含む): 3333173760

約数和(自身を除く): 2072216920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 220447, 440894, 881788, 1102235, 1763576, 2204470, 2424917, 2865811, 4408940, 4849834, 5731622, 8817880, 9699668, 11463244, 12124585, 14329055, 19399336, 22926488, 24249170, 28658110, 31523921, 48498340, 57316220, 63047842, 96996680, 114632440, 126095684, 157619605, 252191368, 315239210, 630478420, 1260956840]

約数ペア:

[(1, 1260956840), (2, 630478420), (4, 315239210), (5, 252191368), (8, 157619605), (10, 126095684), (11, 114632440), (13, 96996680), (20, 63047842), (22, 57316220), (26, 48498340), (40, 31523921), (44, 28658110), (52, 24249170), (55, 22926488), (65, 19399336), (88, 14329055), (104, 12124585), (110, 11463244), (130, 9699668), (143, 8817880), (220, 5731622), (260, 4849834), (286, 4408940), (440, 2865811), (520, 2424917), (572, 2204470), (715, 1763576), (1144, 1102235), (1430, 881788), (2860, 440894), (5720, 220447)]