80287440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4993}}^1$

素因数の和:5076

約数の個数: 80

約数和(自身を含む): 252656448

約数和(自身を除く): 172369008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 67, 80, 120, 134, 201, 240, 268, 335, 402, 536, 670, 804, 1005, 1072, 1340, 1608, 2010, 2680, 3216, 4020, 4993, 5360, 8040, 9986, 14979, 16080, 19972, 24965, 29958, 39944, 49930, 59916, 74895, 79888, 99860, 119832, 149790, 199720, 239664, 299580, 334531, 399440, 599160, 669062, 1003593, 1198320, 1338124, 1672655, 2007186, 2676248, 3345310, 4014372, 5017965, 5352496, 6690620, 8028744, 10035930, 13381240, 16057488, 20071860, 26762480, 40143720, 80287440]

約数ペア:

[(1, 80287440), (2, 40143720), (3, 26762480), (4, 20071860), (5, 16057488), (6, 13381240), (8, 10035930), (10, 8028744), (12, 6690620), (15, 5352496), (16, 5017965), (20, 4014372), (24, 3345310), (30, 2676248), (40, 2007186), (48, 1672655), (60, 1338124), (67, 1198320), (80, 1003593), (120, 669062), (134, 599160), (201, 399440), (240, 334531), (268, 299580), (335, 239664), (402, 199720), (536, 149790), (670, 119832), (804, 99860), (1005, 79888), (1072, 74895), (1340, 59916), (1608, 49930), (2010, 39944), (2680, 29958), (3216, 24965), (4020, 19972), (4993, 16080), (5360, 14979), (8040, 9986)]