76820480

素因数分解:

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

素因数の和:82

約数の個数: 156

約数和(自身を含む): 209165376

約数和(自身を除く): 132344896

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, 9680, 9920, 10240, 10912, 11264, 13640, 14080, 15004, 15488, 15872, 18755, 19360, 19840, 20480, 21824, 22528, 27280, 28160, 30008, 30976, 31744, 37510, 38720, 39680, 43648, 45056, 54560, 56320, 60016, 61952, 63488, 75020, 77440, 79360, 87296, 109120, 112640, 120032, 123904, 126976, 150040, 154880, 158720, 174592, 218240, 225280, 240064, 247808, 300080, 309760, 317440, 349184, 436480, 480128, 495616, 600160, 619520, 634880, 698368, 872960, 960256, 1200320, 1239040, 1396736, 1745920, 1920512, 2400640, 2478080, 3491840, 3841024, 4801280, 6983680, 7682048, 9602560, 15364096, 19205120, 38410240, 76820480]

約数ペア:

[(1, 76820480), (2, 38410240), (4, 19205120), (5, 15364096), (8, 9602560), (10, 7682048), (11, 6983680), (16, 4801280), (20, 3841024), (22, 3491840), (31, 2478080), (32, 2400640), (40, 1920512), (44, 1745920), (55, 1396736), (62, 1239040), (64, 1200320), (80, 960256), (88, 872960), (110, 698368), (121, 634880), (124, 619520), (128, 600160), (155, 495616), (160, 480128), (176, 436480), (220, 349184), (242, 317440), (248, 309760), (256, 300080), (310, 247808), (320, 240064), (341, 225280), (352, 218240), (440, 174592), (484, 158720), (496, 154880), (512, 150040), (605, 126976), (620, 123904), (640, 120032), (682, 112640), (704, 109120), (880, 87296), (968, 79360), (992, 77440), (1024, 75020), (1210, 63488), (1240, 61952), (1280, 60016), (1364, 56320), (1408, 54560), (1705, 45056), (1760, 43648), (1936, 39680), (1984, 38720), (2048, 37510), (2420, 31744), (2480, 30976), (2560, 30008), (2728, 28160), (2816, 27280), (3410, 22528), (3520, 21824), (3751, 20480), (3872, 19840), (3968, 19360), (4096, 18755), (4840, 15872), (4960, 15488), (5120, 15004), (5456, 14080), (5632, 13640), (6820, 11264), (7040, 10912), (7502, 10240), (7744, 9920), (7936, 9680)]