7578340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 144

約数和(自身を含む): 21833280

約数和(自身を除く): 14254940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 37, 38, 44, 49, 55, 70, 74, 76, 77, 95, 98, 110, 133, 140, 148, 154, 185, 190, 196, 209, 220, 245, 259, 266, 308, 370, 380, 385, 407, 418, 490, 518, 532, 539, 665, 703, 740, 770, 814, 836, 931, 980, 1036, 1045, 1078, 1295, 1330, 1406, 1463, 1540, 1628, 1813, 1862, 2035, 2090, 2156, 2590, 2660, 2695, 2812, 2849, 2926, 3515, 3626, 3724, 4070, 4180, 4655, 4921, 5180, 5390, 5698, 5852, 7030, 7252, 7315, 7733, 8140, 9065, 9310, 9842, 10241, 10780, 11396, 14060, 14245, 14630, 15466, 18130, 18620, 19684, 19943, 20482, 24605, 28490, 29260, 30932, 34447, 36260, 38665, 39886, 40964, 49210, 51205, 54131, 56980, 68894, 77330, 79772, 98420, 99715, 102410, 108262, 137788, 154660, 172235, 199430, 204820, 216524, 270655, 344470, 378917, 398860, 541310, 688940, 757834, 1082620, 1515668, 1894585, 3789170, 7578340]

約数ペア:

[(1, 7578340), (2, 3789170), (4, 1894585), (5, 1515668), (7, 1082620), (10, 757834), (11, 688940), (14, 541310), (19, 398860), (20, 378917), (22, 344470), (28, 270655), (35, 216524), (37, 204820), (38, 199430), (44, 172235), (49, 154660), (55, 137788), (70, 108262), (74, 102410), (76, 99715), (77, 98420), (95, 79772), (98, 77330), (110, 68894), (133, 56980), (140, 54131), (148, 51205), (154, 49210), (185, 40964), (190, 39886), (196, 38665), (209, 36260), (220, 34447), (245, 30932), (259, 29260), (266, 28490), (308, 24605), (370, 20482), (380, 19943), (385, 19684), (407, 18620), (418, 18130), (490, 15466), (518, 14630), (532, 14245), (539, 14060), (665, 11396), (703, 10780), (740, 10241), (770, 9842), (814, 9310), (836, 9065), (931, 8140), (980, 7733), (1036, 7315), (1045, 7252), (1078, 7030), (1295, 5852), (1330, 5698), (1406, 5390), (1463, 5180), (1540, 4921), (1628, 4655), (1813, 4180), (1862, 4070), (2035, 3724), (2090, 3626), (2156, 3515), (2590, 2926), (2660, 2849), (2695, 2812)]