1991430720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9739}}^1$

素因数の和:9833

約数の個数: 168

約数和(自身を含む): 6946879680

約数和(自身を除く): 4955448960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 192, 213, 240, 284, 288, 320, 355, 360, 426, 480, 568, 576, 639, 710, 720, 852, 960, 1065, 1136, 1278, 1420, 1440, 1704, 2130, 2272, 2556, 2840, 2880, 3195, 3408, 4260, 4544, 5112, 5680, 6390, 6816, 8520, 9739, 10224, 11360, 12780, 13632, 17040, 19478, 20448, 22720, 25560, 29217, 34080, 38956, 40896, 48695, 51120, 58434, 68160, 77912, 87651, 97390, 102240, 116868, 146085, 155824, 175302, 194780, 204480, 233736, 292170, 311648, 350604, 389560, 438255, 467472, 584340, 623296, 691469, 701208, 779120, 876510, 934944, 1168680, 1382938, 1402416, 1558240, 1753020, 1869888, 2074407, 2337360, 2765876, 2804832, 3116480, 3457345, 3506040, 4148814, 4674720, 5531752, 5609664, 6223221, 6914690, 7012080, 8297628, 9349440, 10372035, 11063504, 12446442, 13829380, 14024160, 16595256, 20744070, 22127008, 24892884, 27658760, 28048320, 31116105, 33190512, 41488140, 44254016, 49785768, 55317520, 62232210, 66381024, 82976280, 99571536, 110635040, 124464420, 132762048, 165952560, 199143072, 221270080, 248928840, 331905120, 398286144, 497857680, 663810240, 995715360, 1991430720]

約数ペア:

[(1, 1991430720), (2, 995715360), (3, 663810240), (4, 497857680), (5, 398286144), (6, 331905120), (8, 248928840), (9, 221270080), (10, 199143072), (12, 165952560), (15, 132762048), (16, 124464420), (18, 110635040), (20, 99571536), (24, 82976280), (30, 66381024), (32, 62232210), (36, 55317520), (40, 49785768), (45, 44254016), (48, 41488140), (60, 33190512), (64, 31116105), (71, 28048320), (72, 27658760), (80, 24892884), (90, 22127008), (96, 20744070), (120, 16595256), (142, 14024160), (144, 13829380), (160, 12446442), (180, 11063504), (192, 10372035), (213, 9349440), (240, 8297628), (284, 7012080), (288, 6914690), (320, 6223221), (355, 5609664), (360, 5531752), (426, 4674720), (480, 4148814), (568, 3506040), (576, 3457345), (639, 3116480), (710, 2804832), (720, 2765876), (852, 2337360), (960, 2074407), (1065, 1869888), (1136, 1753020), (1278, 1558240), (1420, 1402416), (1440, 1382938), (1704, 1168680), (2130, 934944), (2272, 876510), (2556, 779120), (2840, 701208), (2880, 691469), (3195, 623296), (3408, 584340), (4260, 467472), (4544, 438255), (5112, 389560), (5680, 350604), (6390, 311648), (6816, 292170), (8520, 233736), (9739, 204480), (10224, 194780), (11360, 175302), (12780, 155824), (13632, 146085), (17040, 116868), (19478, 102240), (20448, 97390), (22720, 87651), (25560, 77912), (29217, 68160), (34080, 58434), (38956, 51120), (40896, 48695)]