1229127680

素因数分解:

$2^{16}\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 204

約数和(自身を含む): 3347029056

約数和(自身を除く): 2117901376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 121, 124, 128, 155, 160, 176, 220, 242, 248, 256, 310, 320, 341, 352, 440, 484, 496, 512, 605, 620, 640, 682, 704, 880, 968, 992, 1024, 1210, 1240, 1280, 1364, 1408, 1705, 1760, 1936, 1984, 2048, 2420, 2480, 2560, 2728, 2816, 3410, 3520, 3751, 3872, 3968, 4096, 4840, 4960, 5120, 5456, 5632, 6820, 7040, 7502, 7744, 7936, 8192, 9680, 9920, 10240, 10912, 11264, 13640, 14080, 15004, 15488, 15872, 16384, 18755, 19360, 19840, 20480, 21824, 22528, 27280, 28160, 30008, 30976, 31744, 32768, 37510, 38720, 39680, 40960, 43648, 45056, 54560, 56320, 60016, 61952, 63488, 65536, 75020, 77440, 79360, 81920, 87296, 90112, 109120, 112640, 120032, 123904, 126976, 150040, 154880, 158720, 163840, 174592, 180224, 218240, 225280, 240064, 247808, 253952, 300080, 309760, 317440, 327680, 349184, 360448, 436480, 450560, 480128, 495616, 507904, 600160, 619520, 634880, 698368, 720896, 872960, 901120, 960256, 991232, 1015808, 1200320, 1239040, 1269760, 1396736, 1745920, 1802240, 1920512, 1982464, 2031616, 2400640, 2478080, 2539520, 2793472, 3491840, 3604480, 3841024, 3964928, 4801280, 4956160, 5079040, 5586944, 6983680, 7682048, 7929856, 9602560, 9912320, 10158080, 11173888, 13967360, 15364096, 19205120, 19824640, 22347776, 27934720, 30728192, 38410240, 39649280, 55869440, 61456384, 76820480, 111738880, 122912768, 153640960, 245825536, 307281920, 614563840, 1229127680]

約数ペア:

[(1, 1229127680), (2, 614563840), (4, 307281920), (5, 245825536), (8, 153640960), (10, 122912768), (11, 111738880), (16, 76820480), (20, 61456384), (22, 55869440), (31, 39649280), (32, 38410240), (40, 30728192), (44, 27934720), (55, 22347776), (62, 19824640), (64, 19205120), (80, 15364096), (88, 13967360), (110, 11173888), (121, 10158080), (124, 9912320), (128, 9602560), (155, 7929856), (160, 7682048), (176, 6983680), (220, 5586944), (242, 5079040), (248, 4956160), (256, 4801280), (310, 3964928), (320, 3841024), (341, 3604480), (352, 3491840), (440, 2793472), (484, 2539520), (496, 2478080), (512, 2400640), (605, 2031616), (620, 1982464), (640, 1920512), (682, 1802240), (704, 1745920), (880, 1396736), (968, 1269760), (992, 1239040), (1024, 1200320), (1210, 1015808), (1240, 991232), (1280, 960256), (1364, 901120), (1408, 872960), (1705, 720896), (1760, 698368), (1936, 634880), (1984, 619520), (2048, 600160), (2420, 507904), (2480, 495616), (2560, 480128), (2728, 450560), (2816, 436480), (3410, 360448), (3520, 349184), (3751, 327680), (3872, 317440), (3968, 309760), (4096, 300080), (4840, 253952), (4960, 247808), (5120, 240064), (5456, 225280), (5632, 218240), (6820, 180224), (7040, 174592), (7502, 163840), (7744, 158720), (7936, 154880), (8192, 150040), (9680, 126976), (9920, 123904), (10240, 120032), (10912, 112640), (11264, 109120), (13640, 90112), (14080, 87296), (15004, 81920), (15488, 79360), (15872, 77440), (16384, 75020), (18755, 65536), (19360, 63488), (19840, 61952), (20480, 60016), (21824, 56320), (22528, 54560), (27280, 45056), (28160, 43648), (30008, 40960), (30976, 39680), (31744, 38720), (32768, 37510)]