641641472

素因数分解:

$2^{10}\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:138

約数の個数: 176

約数和(自身を含む): 1485630720

約数和(自身を除く): 843989248

約数列:

[1, 2, 4, 8, 16, 17, 29, 31, 32, 34, 41, 58, 62, 64, 68, 82, 116, 124, 128, 136, 164, 232, 248, 256, 272, 328, 464, 493, 496, 512, 527, 544, 656, 697, 899, 928, 986, 992, 1024, 1054, 1088, 1189, 1271, 1312, 1394, 1798, 1856, 1972, 1984, 2108, 2176, 2378, 2542, 2624, 2788, 3596, 3712, 3944, 3968, 4216, 4352, 4756, 5084, 5248, 5576, 7192, 7424, 7888, 7936, 8432, 8704, 9512, 10168, 10496, 11152, 14384, 14848, 15283, 15776, 15872, 16864, 17408, 19024, 20213, 20336, 20992, 21607, 22304, 28768, 29696, 30566, 31552, 31744, 33728, 36859, 38048, 40426, 40672, 41984, 43214, 44608, 57536, 61132, 63104, 67456, 73718, 76096, 80852, 81344, 86428, 89216, 115072, 122264, 126208, 134912, 147436, 152192, 161704, 162688, 172856, 178432, 230144, 244528, 252416, 269824, 294872, 304384, 323408, 325376, 345712, 356864, 460288, 489056, 504832, 539648, 589744, 608768, 626603, 646816, 650752, 691424, 713728, 920576, 978112, 1179488, 1217536, 1253206, 1293632, 1301504, 1382848, 1956224, 2358976, 2506412, 2587264, 2765696, 3912448, 4717952, 5012824, 5174528, 5531392, 7824896, 9435904, 10025648, 10349056, 11062784, 15649792, 18871808, 20051296, 20698112, 22125568, 37743616, 40102592, 80205184, 160410368, 320820736, 641641472]

約数ペア:

[(1, 641641472), (2, 320820736), (4, 160410368), (8, 80205184), (16, 40102592), (17, 37743616), (29, 22125568), (31, 20698112), (32, 20051296), (34, 18871808), (41, 15649792), (58, 11062784), (62, 10349056), (64, 10025648), (68, 9435904), (82, 7824896), (116, 5531392), (124, 5174528), (128, 5012824), (136, 4717952), (164, 3912448), (232, 2765696), (248, 2587264), (256, 2506412), (272, 2358976), (328, 1956224), (464, 1382848), (493, 1301504), (496, 1293632), (512, 1253206), (527, 1217536), (544, 1179488), (656, 978112), (697, 920576), (899, 713728), (928, 691424), (986, 650752), (992, 646816), (1024, 626603), (1054, 608768), (1088, 589744), (1189, 539648), (1271, 504832), (1312, 489056), (1394, 460288), (1798, 356864), (1856, 345712), (1972, 325376), (1984, 323408), (2108, 304384), (2176, 294872), (2378, 269824), (2542, 252416), (2624, 244528), (2788, 230144), (3596, 178432), (3712, 172856), (3944, 162688), (3968, 161704), (4216, 152192), (4352, 147436), (4756, 134912), (5084, 126208), (5248, 122264), (5576, 115072), (7192, 89216), (7424, 86428), (7888, 81344), (7936, 80852), (8432, 76096), (8704, 73718), (9512, 67456), (10168, 63104), (10496, 61132), (11152, 57536), (14384, 44608), (14848, 43214), (15283, 41984), (15776, 40672), (15872, 40426), (16864, 38048), (17408, 36859), (19024, 33728), (20213, 31744), (20336, 31552), (20992, 30566), (21607, 29696), (22304, 28768)]