64496740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 178343424

約数和(自身を除く): 113846684

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 49, 55, 62, 70, 77, 98, 110, 124, 140, 154, 155, 193, 196, 217, 220, 245, 308, 310, 341, 385, 386, 434, 490, 539, 620, 682, 770, 772, 868, 965, 980, 1078, 1085, 1351, 1364, 1519, 1540, 1705, 1930, 2123, 2156, 2170, 2387, 2695, 2702, 3038, 3410, 3860, 4246, 4340, 4774, 5390, 5404, 5983, 6076, 6755, 6820, 7595, 8492, 9457, 9548, 10615, 10780, 11935, 11966, 13510, 14861, 15190, 16709, 18914, 21230, 23870, 23932, 27020, 29722, 29915, 30380, 33418, 37828, 41881, 42460, 47285, 47740, 59444, 59830, 65813, 66836, 74305, 83545, 83762, 94570, 104027, 119660, 131626, 148610, 167090, 167524, 189140, 208054, 209405, 263252, 293167, 297220, 329065, 334180, 416108, 418810, 460691, 520135, 586334, 658130, 837620, 921382, 1040270, 1172668, 1316260, 1465835, 1842764, 2080540, 2303455, 2931670, 3224837, 4606910, 5863340, 6449674, 9213820, 12899348, 16124185, 32248370, 64496740]

約数ペア:

[(1, 64496740), (2, 32248370), (4, 16124185), (5, 12899348), (7, 9213820), (10, 6449674), (11, 5863340), (14, 4606910), (20, 3224837), (22, 2931670), (28, 2303455), (31, 2080540), (35, 1842764), (44, 1465835), (49, 1316260), (55, 1172668), (62, 1040270), (70, 921382), (77, 837620), (98, 658130), (110, 586334), (124, 520135), (140, 460691), (154, 418810), (155, 416108), (193, 334180), (196, 329065), (217, 297220), (220, 293167), (245, 263252), (308, 209405), (310, 208054), (341, 189140), (385, 167524), (386, 167090), (434, 148610), (490, 131626), (539, 119660), (620, 104027), (682, 94570), (770, 83762), (772, 83545), (868, 74305), (965, 66836), (980, 65813), (1078, 59830), (1085, 59444), (1351, 47740), (1364, 47285), (1519, 42460), (1540, 41881), (1705, 37828), (1930, 33418), (2123, 30380), (2156, 29915), (2170, 29722), (2387, 27020), (2695, 23932), (2702, 23870), (3038, 21230), (3410, 18914), (3860, 16709), (4246, 15190), (4340, 14861), (4774, 13510), (5390, 11966), (5404, 11935), (5983, 10780), (6076, 10615), (6755, 9548), (6820, 9457), (7595, 8492)]