289760120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{13591}}^1$

素因数の和:13656

約数の個数: 64

約数和(自身を含む): 719288640

約数和(自身を除く): 429528520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 4264, 5330, 10660, 13591, 21320, 27182, 54364, 67955, 108728, 135910, 176683, 271820, 353366, 543640, 557231, 706732, 883415, 1114462, 1413464, 1766830, 2228924, 2786155, 3533660, 4457848, 5572310, 7067320, 7244003, 11144620, 14488006, 22289240, 28976012, 36220015, 57952024, 72440030, 144880060, 289760120]

約数ペア:

[(1, 289760120), (2, 144880060), (4, 72440030), (5, 57952024), (8, 36220015), (10, 28976012), (13, 22289240), (20, 14488006), (26, 11144620), (40, 7244003), (41, 7067320), (52, 5572310), (65, 4457848), (82, 3533660), (104, 2786155), (130, 2228924), (164, 1766830), (205, 1413464), (260, 1114462), (328, 883415), (410, 706732), (520, 557231), (533, 543640), (820, 353366), (1066, 271820), (1640, 176683), (2132, 135910), (2665, 108728), (4264, 67955), (5330, 54364), (10660, 27182), (13591, 21320)]