4920481720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{4283}}^1$

素因数の和:4685

約数の個数: 128

約数和(自身を含む): 13843146240

約数和(自身を除く): 8922664520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 373, 385, 440, 616, 746, 770, 1492, 1540, 1865, 2611, 2984, 3080, 3730, 4103, 4283, 5222, 7460, 8206, 8566, 10444, 13055, 14920, 16412, 17132, 20515, 20888, 21415, 26110, 28721, 29981, 32824, 34264, 41030, 42830, 47113, 52220, 57442, 59962, 82060, 85660, 94226, 104440, 114884, 119924, 143605, 149905, 164120, 171320, 188452, 229768, 235565, 239848, 287210, 299810, 329791, 376904, 471130, 574420, 599620, 659582, 942260, 1148840, 1199240, 1319164, 1597559, 1648955, 1884520, 2638328, 3195118, 3297910, 6390236, 6595820, 7987795, 11182913, 12780472, 13191640, 15975590, 17573149, 22365826, 31951180, 35146298, 44731652, 55914565, 63902360, 70292596, 87865745, 89463304, 111829130, 123012043, 140585192, 175731490, 223658260, 246024086, 351462980, 447316520, 492048172, 615060215, 702925960, 984096344, 1230120430, 2460240860, 4920481720]

約数ペア:

[(1, 4920481720), (2, 2460240860), (4, 1230120430), (5, 984096344), (7, 702925960), (8, 615060215), (10, 492048172), (11, 447316520), (14, 351462980), (20, 246024086), (22, 223658260), (28, 175731490), (35, 140585192), (40, 123012043), (44, 111829130), (55, 89463304), (56, 87865745), (70, 70292596), (77, 63902360), (88, 55914565), (110, 44731652), (140, 35146298), (154, 31951180), (220, 22365826), (280, 17573149), (308, 15975590), (373, 13191640), (385, 12780472), (440, 11182913), (616, 7987795), (746, 6595820), (770, 6390236), (1492, 3297910), (1540, 3195118), (1865, 2638328), (2611, 1884520), (2984, 1648955), (3080, 1597559), (3730, 1319164), (4103, 1199240), (4283, 1148840), (5222, 942260), (7460, 659582), (8206, 599620), (8566, 574420), (10444, 471130), (13055, 376904), (14920, 329791), (16412, 299810), (17132, 287210), (20515, 239848), (20888, 235565), (21415, 229768), (26110, 188452), (28721, 171320), (29981, 164120), (32824, 149905), (34264, 143605), (41030, 119924), (42830, 114884), (47113, 104440), (52220, 94226), (57442, 85660), (59962, 82060)]