81012480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 216

約数和(自身を含む): 278613552

約数和(自身を除く): 197601072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 73, 80, 85, 96, 102, 120, 128, 136, 146, 160, 170, 192, 204, 219, 240, 255, 256, 272, 289, 292, 320, 340, 365, 384, 408, 438, 480, 510, 544, 578, 584, 640, 680, 730, 768, 816, 867, 876, 960, 1020, 1088, 1095, 1156, 1168, 1241, 1280, 1360, 1445, 1460, 1632, 1734, 1752, 1920, 2040, 2176, 2190, 2312, 2336, 2482, 2720, 2890, 2920, 3264, 3468, 3504, 3723, 3840, 4080, 4335, 4352, 4380, 4624, 4672, 4964, 5440, 5780, 5840, 6205, 6528, 6936, 7008, 7446, 8160, 8670, 8760, 9248, 9344, 9928, 10880, 11560, 11680, 12410, 13056, 13872, 14016, 14892, 16320, 17340, 17520, 18496, 18615, 18688, 19856, 21097, 21760, 23120, 23360, 24820, 27744, 28032, 29784, 32640, 34680, 35040, 36992, 37230, 39712, 42194, 46240, 46720, 49640, 55488, 56064, 59568, 63291, 65280, 69360, 70080, 73984, 74460, 79424, 84388, 92480, 93440, 99280, 105485, 110976, 119136, 126582, 138720, 140160, 148920, 158848, 168776, 184960, 198560, 210970, 221952, 238272, 253164, 277440, 280320, 297840, 316455, 317696, 337552, 369920, 397120, 421940, 476544, 506328, 554880, 595680, 632910, 675104, 794240, 843880, 953088, 1012656, 1109760, 1191360, 1265820, 1350208, 1588480, 1687760, 2025312, 2382720, 2531640, 2700416, 3375520, 4050624, 4765440, 5063280, 5400832, 6751040, 8101248, 10126560, 13502080, 16202496, 20253120, 27004160, 40506240, 81012480]

約数ペア:

[(1, 81012480), (2, 40506240), (3, 27004160), (4, 20253120), (5, 16202496), (6, 13502080), (8, 10126560), (10, 8101248), (12, 6751040), (15, 5400832), (16, 5063280), (17, 4765440), (20, 4050624), (24, 3375520), (30, 2700416), (32, 2531640), (34, 2382720), (40, 2025312), (48, 1687760), (51, 1588480), (60, 1350208), (64, 1265820), (68, 1191360), (73, 1109760), (80, 1012656), (85, 953088), (96, 843880), (102, 794240), (120, 675104), (128, 632910), (136, 595680), (146, 554880), (160, 506328), (170, 476544), (192, 421940), (204, 397120), (219, 369920), (240, 337552), (255, 317696), (256, 316455), (272, 297840), (289, 280320), (292, 277440), (320, 253164), (340, 238272), (365, 221952), (384, 210970), (408, 198560), (438, 184960), (480, 168776), (510, 158848), (544, 148920), (578, 140160), (584, 138720), (640, 126582), (680, 119136), (730, 110976), (768, 105485), (816, 99280), (867, 93440), (876, 92480), (960, 84388), (1020, 79424), (1088, 74460), (1095, 73984), (1156, 70080), (1168, 69360), (1241, 65280), (1280, 63291), (1360, 59568), (1445, 56064), (1460, 55488), (1632, 49640), (1734, 46720), (1752, 46240), (1920, 42194), (2040, 39712), (2176, 37230), (2190, 36992), (2312, 35040), (2336, 34680), (2482, 32640), (2720, 29784), (2890, 28032), (2920, 27744), (3264, 24820), (3468, 23360), (3504, 23120), (3723, 21760), (3840, 21097), (4080, 19856), (4335, 18688), (4352, 18615), (4380, 18496), (4624, 17520), (4672, 17340), (4964, 16320), (5440, 14892), (5780, 14016), (5840, 13872), (6205, 13056), (6528, 12410), (6936, 11680), (7008, 11560), (7446, 10880), (8160, 9928), (8670, 9344), (8760, 9248)]