260972640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2971}}^1$

素因数の和:3053

約数の個数: 144

約数和(自身を含む): 905473296

約数和(自身を除く): 644500656

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, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 360, 366, 480, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1440, 1464, 1830, 1952, 2196, 2440, 2745, 2928, 2971, 3660, 4392, 4880, 5490, 5856, 5942, 7320, 8784, 8913, 9760, 10980, 11884, 14640, 14855, 17568, 17826, 21960, 23768, 26739, 29280, 29710, 35652, 43920, 44565, 47536, 53478, 59420, 71304, 87840, 89130, 95072, 106956, 118840, 133695, 142608, 178260, 181231, 213912, 237680, 267390, 285216, 356520, 362462, 427824, 475360, 534780, 543693, 713040, 724924, 855648, 906155, 1069560, 1087386, 1426080, 1449848, 1631079, 1812310, 2139120, 2174772, 2718465, 2899696, 3262158, 3624620, 4278240, 4349544, 5436930, 5799392, 6524316, 7249240, 8155395, 8699088, 10873860, 13048632, 14498480, 16310790, 17398176, 21747720, 26097264, 28996960, 32621580, 43495440, 52194528, 65243160, 86990880, 130486320, 260972640]

約数ペア:

[(1, 260972640), (2, 130486320), (3, 86990880), (4, 65243160), (5, 52194528), (6, 43495440), (8, 32621580), (9, 28996960), (10, 26097264), (12, 21747720), (15, 17398176), (16, 16310790), (18, 14498480), (20, 13048632), (24, 10873860), (30, 8699088), (32, 8155395), (36, 7249240), (40, 6524316), (45, 5799392), (48, 5436930), (60, 4349544), (61, 4278240), (72, 3624620), (80, 3262158), (90, 2899696), (96, 2718465), (120, 2174772), (122, 2139120), (144, 1812310), (160, 1631079), (180, 1449848), (183, 1426080), (240, 1087386), (244, 1069560), (288, 906155), (305, 855648), (360, 724924), (366, 713040), (480, 543693), (488, 534780), (549, 475360), (610, 427824), (720, 362462), (732, 356520), (915, 285216), (976, 267390), (1098, 237680), (1220, 213912), (1440, 181231), (1464, 178260), (1830, 142608), (1952, 133695), (2196, 118840), (2440, 106956), (2745, 95072), (2928, 89130), (2971, 87840), (3660, 71304), (4392, 59420), (4880, 53478), (5490, 47536), (5856, 44565), (5942, 43920), (7320, 35652), (8784, 29710), (8913, 29280), (9760, 26739), (10980, 23768), (11884, 21960), (14640, 17826), (14855, 17568)]