72765440

素因数分解:

$2^{12}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:76

約数の個数: 208

約数和(自身を含む): 212310720

約数和(自身を除く): 139545280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 19, 20, 22, 32, 34, 38, 40, 44, 55, 64, 68, 76, 80, 85, 88, 95, 110, 128, 136, 152, 160, 170, 176, 187, 190, 209, 220, 256, 272, 304, 320, 323, 340, 352, 374, 380, 418, 440, 512, 544, 608, 640, 646, 680, 704, 748, 760, 836, 880, 935, 1024, 1045, 1088, 1216, 1280, 1292, 1360, 1408, 1496, 1520, 1615, 1672, 1760, 1870, 2048, 2090, 2176, 2432, 2560, 2584, 2720, 2816, 2992, 3040, 3230, 3344, 3520, 3553, 3740, 4096, 4180, 4352, 4864, 5120, 5168, 5440, 5632, 5984, 6080, 6460, 6688, 7040, 7106, 7480, 8360, 8704, 9728, 10240, 10336, 10880, 11264, 11968, 12160, 12920, 13376, 14080, 14212, 14960, 16720, 17408, 17765, 19456, 20480, 20672, 21760, 22528, 23936, 24320, 25840, 26752, 28160, 28424, 29920, 33440, 34816, 35530, 38912, 41344, 43520, 45056, 47872, 48640, 51680, 53504, 56320, 56848, 59840, 66880, 69632, 71060, 77824, 82688, 87040, 95744, 97280, 103360, 107008, 112640, 113696, 119680, 133760, 142120, 165376, 174080, 191488, 194560, 206720, 214016, 225280, 227392, 239360, 267520, 284240, 330752, 348160, 382976, 389120, 413440, 428032, 454784, 478720, 535040, 568480, 661504, 765952, 826880, 856064, 909568, 957440, 1070080, 1136960, 1323008, 1653760, 1819136, 1914880, 2140160, 2273920, 3307520, 3638272, 3829760, 4280320, 4547840, 6615040, 7276544, 9095680, 14553088, 18191360, 36382720, 72765440]

約数ペア:

[(1, 72765440), (2, 36382720), (4, 18191360), (5, 14553088), (8, 9095680), (10, 7276544), (11, 6615040), (16, 4547840), (17, 4280320), (19, 3829760), (20, 3638272), (22, 3307520), (32, 2273920), (34, 2140160), (38, 1914880), (40, 1819136), (44, 1653760), (55, 1323008), (64, 1136960), (68, 1070080), (76, 957440), (80, 909568), (85, 856064), (88, 826880), (95, 765952), (110, 661504), (128, 568480), (136, 535040), (152, 478720), (160, 454784), (170, 428032), (176, 413440), (187, 389120), (190, 382976), (209, 348160), (220, 330752), (256, 284240), (272, 267520), (304, 239360), (320, 227392), (323, 225280), (340, 214016), (352, 206720), (374, 194560), (380, 191488), (418, 174080), (440, 165376), (512, 142120), (544, 133760), (608, 119680), (640, 113696), (646, 112640), (680, 107008), (704, 103360), (748, 97280), (760, 95744), (836, 87040), (880, 82688), (935, 77824), (1024, 71060), (1045, 69632), (1088, 66880), (1216, 59840), (1280, 56848), (1292, 56320), (1360, 53504), (1408, 51680), (1496, 48640), (1520, 47872), (1615, 45056), (1672, 43520), (1760, 41344), (1870, 38912), (2048, 35530), (2090, 34816), (2176, 33440), (2432, 29920), (2560, 28424), (2584, 28160), (2720, 26752), (2816, 25840), (2992, 24320), (3040, 23936), (3230, 22528), (3344, 21760), (3520, 20672), (3553, 20480), (3740, 19456), (4096, 17765), (4180, 17408), (4352, 16720), (4864, 14960), (5120, 14212), (5168, 14080), (5440, 13376), (5632, 12920), (5984, 12160), (6080, 11968), (6460, 11264), (6688, 10880), (7040, 10336), (7106, 10240), (7480, 9728), (8360, 8704)]