65127680

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 171524304

約数和(自身を除く): 106396624

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 64, 68, 73, 80, 82, 85, 128, 136, 146, 160, 164, 170, 205, 256, 272, 292, 320, 328, 340, 365, 410, 544, 584, 640, 656, 680, 697, 730, 820, 1088, 1168, 1241, 1280, 1312, 1360, 1394, 1460, 1640, 2176, 2336, 2482, 2624, 2720, 2788, 2920, 2993, 3280, 3485, 4352, 4672, 4964, 5248, 5440, 5576, 5840, 5986, 6205, 6560, 6970, 9344, 9928, 10496, 10880, 11152, 11680, 11972, 12410, 13120, 13940, 14965, 18688, 19856, 21760, 22304, 23360, 23944, 24820, 26240, 27880, 29930, 39712, 44608, 46720, 47888, 49640, 50881, 52480, 55760, 59860, 79424, 89216, 93440, 95776, 99280, 101762, 111520, 119720, 158848, 178432, 191552, 198560, 203524, 223040, 239440, 254405, 317696, 383104, 397120, 407048, 446080, 478880, 508810, 766208, 794240, 814096, 892160, 957760, 1017620, 1588480, 1628192, 1915520, 2035240, 3256384, 3831040, 4070480, 6512768, 8140960, 13025536, 16281920, 32563840, 65127680]

約数ペア:

[(1, 65127680), (2, 32563840), (4, 16281920), (5, 13025536), (8, 8140960), (10, 6512768), (16, 4070480), (17, 3831040), (20, 3256384), (32, 2035240), (34, 1915520), (40, 1628192), (41, 1588480), (64, 1017620), (68, 957760), (73, 892160), (80, 814096), (82, 794240), (85, 766208), (128, 508810), (136, 478880), (146, 446080), (160, 407048), (164, 397120), (170, 383104), (205, 317696), (256, 254405), (272, 239440), (292, 223040), (320, 203524), (328, 198560), (340, 191552), (365, 178432), (410, 158848), (544, 119720), (584, 111520), (640, 101762), (656, 99280), (680, 95776), (697, 93440), (730, 89216), (820, 79424), (1088, 59860), (1168, 55760), (1241, 52480), (1280, 50881), (1312, 49640), (1360, 47888), (1394, 46720), (1460, 44608), (1640, 39712), (2176, 29930), (2336, 27880), (2482, 26240), (2624, 24820), (2720, 23944), (2788, 23360), (2920, 22304), (2993, 21760), (3280, 19856), (3485, 18688), (4352, 14965), (4672, 13940), (4964, 13120), (5248, 12410), (5440, 11972), (5576, 11680), (5840, 11152), (5986, 10880), (6205, 10496), (6560, 9928), (6970, 9344)]