77713040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:145

約数の個数: 160

約数和(自身を含む): 206236800

約数和(自身を除く): 128523760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 41, 43, 58, 76, 80, 82, 86, 95, 116, 145, 152, 164, 172, 190, 205, 215, 232, 290, 304, 328, 344, 380, 410, 430, 464, 551, 580, 656, 688, 760, 779, 817, 820, 860, 1102, 1160, 1189, 1247, 1520, 1558, 1634, 1640, 1720, 1763, 2204, 2320, 2378, 2494, 2755, 3116, 3268, 3280, 3440, 3526, 3895, 4085, 4408, 4756, 4988, 5510, 5945, 6232, 6235, 6536, 7052, 7790, 8170, 8815, 8816, 9512, 9976, 11020, 11890, 12464, 12470, 13072, 14104, 15580, 16340, 17630, 19024, 19952, 22040, 22591, 23693, 23780, 24940, 28208, 31160, 32680, 33497, 35260, 44080, 45182, 47386, 47560, 49880, 51127, 62320, 65360, 66994, 70520, 90364, 94772, 95120, 99760, 102254, 112955, 118465, 133988, 141040, 167485, 180728, 189544, 204508, 225910, 236930, 255635, 267976, 334970, 361456, 379088, 409016, 451820, 473860, 511270, 535952, 669940, 818032, 903640, 947720, 971413, 1022540, 1339880, 1807280, 1895440, 1942826, 2045080, 2679760, 3885652, 4090160, 4857065, 7771304, 9714130, 15542608, 19428260, 38856520, 77713040]

約数ペア:

[(1, 77713040), (2, 38856520), (4, 19428260), (5, 15542608), (8, 9714130), (10, 7771304), (16, 4857065), (19, 4090160), (20, 3885652), (29, 2679760), (38, 2045080), (40, 1942826), (41, 1895440), (43, 1807280), (58, 1339880), (76, 1022540), (80, 971413), (82, 947720), (86, 903640), (95, 818032), (116, 669940), (145, 535952), (152, 511270), (164, 473860), (172, 451820), (190, 409016), (205, 379088), (215, 361456), (232, 334970), (290, 267976), (304, 255635), (328, 236930), (344, 225910), (380, 204508), (410, 189544), (430, 180728), (464, 167485), (551, 141040), (580, 133988), (656, 118465), (688, 112955), (760, 102254), (779, 99760), (817, 95120), (820, 94772), (860, 90364), (1102, 70520), (1160, 66994), (1189, 65360), (1247, 62320), (1520, 51127), (1558, 49880), (1634, 47560), (1640, 47386), (1720, 45182), (1763, 44080), (2204, 35260), (2320, 33497), (2378, 32680), (2494, 31160), (2755, 28208), (3116, 24940), (3268, 23780), (3280, 23693), (3440, 22591), (3526, 22040), (3895, 19952), (4085, 19024), (4408, 17630), (4756, 16340), (4988, 15580), (5510, 14104), (5945, 13072), (6232, 12470), (6235, 12464), (6536, 11890), (7052, 11020), (7790, 9976), (8170, 9512), (8815, 8816)]