216494080

素因数分解:

$2^{12}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2$

素因数の和:102

約数の個数: 156

約数和(自身を含む): 585623736

約数和(自身を除く): 369129656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 512, 620, 640, 682, 704, 880, 961, 992, 1024, 1240, 1280, 1364, 1408, 1705, 1760, 1922, 1984, 2048, 2480, 2560, 2728, 2816, 3410, 3520, 3844, 3968, 4096, 4805, 4960, 5120, 5456, 5632, 6820, 7040, 7688, 7936, 9610, 9920, 10240, 10571, 10912, 11264, 13640, 14080, 15376, 15872, 19220, 19840, 20480, 21142, 21824, 22528, 27280, 28160, 30752, 31744, 38440, 39680, 42284, 43648, 45056, 52855, 54560, 56320, 61504, 63488, 76880, 79360, 84568, 87296, 105710, 109120, 112640, 123008, 126976, 153760, 158720, 169136, 174592, 211420, 218240, 225280, 246016, 307520, 317440, 338272, 349184, 422840, 436480, 492032, 615040, 634880, 676544, 698368, 845680, 872960, 984064, 1230080, 1353088, 1396736, 1691360, 1745920, 1968128, 2460160, 2706176, 3382720, 3491840, 3936256, 4920320, 5412352, 6765440, 6983680, 9840640, 10824704, 13530880, 19681280, 21649408, 27061760, 43298816, 54123520, 108247040, 216494080]

約数ペア:

[(1, 216494080), (2, 108247040), (4, 54123520), (5, 43298816), (8, 27061760), (10, 21649408), (11, 19681280), (16, 13530880), (20, 10824704), (22, 9840640), (31, 6983680), (32, 6765440), (40, 5412352), (44, 4920320), (55, 3936256), (62, 3491840), (64, 3382720), (80, 2706176), (88, 2460160), (110, 1968128), (124, 1745920), (128, 1691360), (155, 1396736), (160, 1353088), (176, 1230080), (220, 984064), (248, 872960), (256, 845680), (310, 698368), (320, 676544), (341, 634880), (352, 615040), (440, 492032), (496, 436480), (512, 422840), (620, 349184), (640, 338272), (682, 317440), (704, 307520), (880, 246016), (961, 225280), (992, 218240), (1024, 211420), (1240, 174592), (1280, 169136), (1364, 158720), (1408, 153760), (1705, 126976), (1760, 123008), (1922, 112640), (1984, 109120), (2048, 105710), (2480, 87296), (2560, 84568), (2728, 79360), (2816, 76880), (3410, 63488), (3520, 61504), (3844, 56320), (3968, 54560), (4096, 52855), (4805, 45056), (4960, 43648), (5120, 42284), (5456, 39680), (5632, 38440), (6820, 31744), (7040, 30752), (7688, 28160), (7936, 27280), (9610, 22528), (9920, 21824), (10240, 21142), (10571, 20480), (10912, 19840), (11264, 19220), (13640, 15872), (14080, 15376)]