642996984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1511}}^1$

素因数の和:1693

約数の個数: 128

約数和(自身を含む): 1959552000

約数和(自身を除く): 1316555016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 149, 168, 204, 238, 298, 357, 408, 447, 476, 596, 714, 894, 952, 1043, 1192, 1428, 1511, 1788, 2086, 2533, 2856, 3022, 3129, 3576, 4172, 4533, 5066, 6044, 6258, 7599, 8344, 9066, 10132, 10577, 12088, 12516, 15198, 17731, 18132, 20264, 21154, 25032, 25687, 30396, 31731, 35462, 36264, 42308, 51374, 53193, 60792, 63462, 70924, 77061, 84616, 102748, 106386, 126924, 141848, 154122, 179809, 205496, 212772, 225139, 253848, 308244, 359618, 425544, 450278, 539427, 616488, 675417, 719236, 900556, 1078854, 1350834, 1438472, 1575973, 1801112, 2157708, 2701668, 3151946, 3827363, 4315416, 4727919, 5403336, 6303892, 7654726, 9455838, 11482089, 12607784, 15309452, 18911676, 22964178, 26791541, 30618904, 37823352, 45928356, 53583082, 80374623, 91856712, 107166164, 160749246, 214332328, 321498492, 642996984]

約数ペア:

[(1, 642996984), (2, 321498492), (3, 214332328), (4, 160749246), (6, 107166164), (7, 91856712), (8, 80374623), (12, 53583082), (14, 45928356), (17, 37823352), (21, 30618904), (24, 26791541), (28, 22964178), (34, 18911676), (42, 15309452), (51, 12607784), (56, 11482089), (68, 9455838), (84, 7654726), (102, 6303892), (119, 5403336), (136, 4727919), (149, 4315416), (168, 3827363), (204, 3151946), (238, 2701668), (298, 2157708), (357, 1801112), (408, 1575973), (447, 1438472), (476, 1350834), (596, 1078854), (714, 900556), (894, 719236), (952, 675417), (1043, 616488), (1192, 539427), (1428, 450278), (1511, 425544), (1788, 359618), (2086, 308244), (2533, 253848), (2856, 225139), (3022, 212772), (3129, 205496), (3576, 179809), (4172, 154122), (4533, 141848), (5066, 126924), (6044, 106386), (6258, 102748), (7599, 84616), (8344, 77061), (9066, 70924), (10132, 63462), (10577, 60792), (12088, 53193), (12516, 51374), (15198, 42308), (17731, 36264), (18132, 35462), (20264, 31731), (21154, 30396), (25032, 25687)]