81409600

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 168

約数和(自身を含む): 220251528

約数和(自身を除く): 138841928

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 41, 50, 64, 68, 73, 80, 82, 85, 100, 136, 146, 160, 164, 170, 200, 205, 272, 292, 320, 328, 340, 365, 400, 410, 425, 544, 584, 656, 680, 697, 730, 800, 820, 850, 1025, 1088, 1168, 1241, 1312, 1360, 1394, 1460, 1600, 1640, 1700, 1825, 2050, 2336, 2482, 2624, 2720, 2788, 2920, 2993, 3280, 3400, 3485, 3650, 4100, 4672, 4964, 5440, 5576, 5840, 5986, 6205, 6560, 6800, 6970, 7300, 8200, 9928, 11152, 11680, 11972, 12410, 13120, 13600, 13940, 14600, 14965, 16400, 17425, 19856, 22304, 23360, 23944, 24820, 27200, 27880, 29200, 29930, 31025, 32800, 34850, 39712, 44608, 47888, 49640, 50881, 55760, 58400, 59860, 62050, 65600, 69700, 74825, 79424, 95776, 99280, 101762, 111520, 116800, 119720, 124100, 139400, 149650, 191552, 198560, 203524, 223040, 239440, 248200, 254405, 278800, 299300, 397120, 407048, 478880, 496400, 508810, 557600, 598600, 814096, 957760, 992800, 1017620, 1115200, 1197200, 1272025, 1628192, 1985600, 2035240, 2394400, 2544050, 3256384, 4070480, 4788800, 5088100, 8140960, 10176200, 16281920, 20352400, 40704800, 81409600]

約数ペア:

[(1, 81409600), (2, 40704800), (4, 20352400), (5, 16281920), (8, 10176200), (10, 8140960), (16, 5088100), (17, 4788800), (20, 4070480), (25, 3256384), (32, 2544050), (34, 2394400), (40, 2035240), (41, 1985600), (50, 1628192), (64, 1272025), (68, 1197200), (73, 1115200), (80, 1017620), (82, 992800), (85, 957760), (100, 814096), (136, 598600), (146, 557600), (160, 508810), (164, 496400), (170, 478880), (200, 407048), (205, 397120), (272, 299300), (292, 278800), (320, 254405), (328, 248200), (340, 239440), (365, 223040), (400, 203524), (410, 198560), (425, 191552), (544, 149650), (584, 139400), (656, 124100), (680, 119720), (697, 116800), (730, 111520), (800, 101762), (820, 99280), (850, 95776), (1025, 79424), (1088, 74825), (1168, 69700), (1241, 65600), (1312, 62050), (1360, 59860), (1394, 58400), (1460, 55760), (1600, 50881), (1640, 49640), (1700, 47888), (1825, 44608), (2050, 39712), (2336, 34850), (2482, 32800), (2624, 31025), (2720, 29930), (2788, 29200), (2920, 27880), (2993, 27200), (3280, 24820), (3400, 23944), (3485, 23360), (3650, 22304), (4100, 19856), (4672, 17425), (4964, 16400), (5440, 14965), (5576, 14600), (5840, 13940), (5986, 13600), (6205, 13120), (6560, 12410), (6800, 11972), (6970, 11680), (7300, 11152), (8200, 9928)]