159962480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1217}}^1$

素因数の和:1314

約数の個数: 80

約数和(自身を含む): 391474944

約数和(自身を除く): 231512464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 620, 848, 1060, 1217, 1240, 1643, 2120, 2434, 2480, 3286, 4240, 4868, 6085, 6572, 8215, 9736, 12170, 13144, 16430, 19472, 24340, 26288, 32860, 37727, 48680, 64501, 65720, 75454, 97360, 129002, 131440, 150908, 188635, 258004, 301816, 322505, 377270, 516008, 603632, 645010, 754540, 1032016, 1290020, 1509080, 1999531, 2580040, 3018160, 3999062, 5160080, 7998124, 9997655, 15996248, 19995310, 31992496, 39990620, 79981240, 159962480]

約数ペア:

[(1, 159962480), (2, 79981240), (4, 39990620), (5, 31992496), (8, 19995310), (10, 15996248), (16, 9997655), (20, 7998124), (31, 5160080), (40, 3999062), (53, 3018160), (62, 2580040), (80, 1999531), (106, 1509080), (124, 1290020), (155, 1032016), (212, 754540), (248, 645010), (265, 603632), (310, 516008), (424, 377270), (496, 322505), (530, 301816), (620, 258004), (848, 188635), (1060, 150908), (1217, 131440), (1240, 129002), (1643, 97360), (2120, 75454), (2434, 65720), (2480, 64501), (3286, 48680), (4240, 37727), (4868, 32860), (6085, 26288), (6572, 24340), (8215, 19472), (9736, 16430), (12170, 13144)]