268518280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{2609}}^1$

素因数の和:2734

約数の個数: 64

約数和(自身を含む): 631411200

約数和(自身を除く): 362892920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 310, 332, 415, 620, 664, 830, 1240, 1660, 2573, 2609, 3320, 5146, 5218, 10292, 10436, 12865, 13045, 20584, 20872, 25730, 26090, 51460, 52180, 80879, 102920, 104360, 161758, 216547, 323516, 404395, 433094, 647032, 808790, 866188, 1082735, 1617580, 1732376, 2165470, 3235160, 4330940, 6712957, 8661880, 13425914, 26851828, 33564785, 53703656, 67129570, 134259140, 268518280]

約数ペア:

[(1, 268518280), (2, 134259140), (4, 67129570), (5, 53703656), (8, 33564785), (10, 26851828), (20, 13425914), (31, 8661880), (40, 6712957), (62, 4330940), (83, 3235160), (124, 2165470), (155, 1732376), (166, 1617580), (248, 1082735), (310, 866188), (332, 808790), (415, 647032), (620, 433094), (664, 404395), (830, 323516), (1240, 216547), (1660, 161758), (2573, 104360), (2609, 102920), (3320, 80879), (5146, 52180), (5218, 51460), (10292, 26090), (10436, 25730), (12865, 20872), (13045, 20584)]