7815320040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{9151}}^1$

素因数の和:9823

約数の個数: 128

約数和(自身を含む): 25619742720

約数和(自身を除く): 17804422680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 647, 660, 1294, 1320, 1941, 2588, 3235, 3882, 5176, 6470, 7117, 7764, 9151, 9705, 12940, 14234, 15528, 18302, 19410, 21351, 25880, 27453, 28468, 35585, 36604, 38820, 42702, 45755, 54906, 56936, 71170, 73208, 77640, 85404, 91510, 100661, 106755, 109812, 137265, 142340, 170808, 183020, 201322, 213510, 219624, 274530, 284680, 301983, 366040, 402644, 427020, 503305, 549060, 603966, 805288, 854040, 1006610, 1098120, 1207932, 1509915, 2013220, 2415864, 3019830, 4026440, 5920697, 6039660, 11841394, 12079320, 17762091, 23682788, 29603485, 35524182, 47365576, 59206970, 65127667, 71048364, 88810455, 118413940, 130255334, 142096728, 177620910, 195383001, 236827880, 260510668, 325638335, 355241820, 390766002, 521021336, 651276670, 710483640, 781532004, 976915005, 1302553340, 1563064008, 1953830010, 2605106680, 3907660020, 7815320040]

約数ペア:

[(1, 7815320040), (2, 3907660020), (3, 2605106680), (4, 1953830010), (5, 1563064008), (6, 1302553340), (8, 976915005), (10, 781532004), (11, 710483640), (12, 651276670), (15, 521021336), (20, 390766002), (22, 355241820), (24, 325638335), (30, 260510668), (33, 236827880), (40, 195383001), (44, 177620910), (55, 142096728), (60, 130255334), (66, 118413940), (88, 88810455), (110, 71048364), (120, 65127667), (132, 59206970), (165, 47365576), (220, 35524182), (264, 29603485), (330, 23682788), (440, 17762091), (647, 12079320), (660, 11841394), (1294, 6039660), (1320, 5920697), (1941, 4026440), (2588, 3019830), (3235, 2415864), (3882, 2013220), (5176, 1509915), (6470, 1207932), (7117, 1098120), (7764, 1006610), (9151, 854040), (9705, 805288), (12940, 603966), (14234, 549060), (15528, 503305), (18302, 427020), (19410, 402644), (21351, 366040), (25880, 301983), (27453, 284680), (28468, 274530), (35585, 219624), (36604, 213510), (38820, 201322), (42702, 183020), (45755, 170808), (54906, 142340), (56936, 137265), (71170, 109812), (73208, 106755), (77640, 100661), (85404, 91510)]