1581296252020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8539}}^1\times {\mathrm{174703}}^1$

素因数の和:183304

約数の個数: 48

約数和(自身を含む): 3383792858880

約数和(自身を除く): 1802496606860

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 8539, 17078, 34156, 42695, 85390, 170780, 174703, 349406, 452567, 698812, 873515, 905134, 1747030, 1810268, 2262835, 3494060, 4525670, 9051340, 9259259, 18518518, 37037036, 46296295, 92592590, 185185180, 1491788917, 2983577834, 5967155668, 7458944585, 14917889170, 29835778340, 79064812601, 158129625202, 316259250404, 395324063005, 790648126010, 1581296252020]

約数ペア:

[(1, 1581296252020), (2, 790648126010), (4, 395324063005), (5, 316259250404), (10, 158129625202), (20, 79064812601), (53, 29835778340), (106, 14917889170), (212, 7458944585), (265, 5967155668), (530, 2983577834), (1060, 1491788917), (8539, 185185180), (17078, 92592590), (34156, 46296295), (42695, 37037036), (85390, 18518518), (170780, 9259259), (174703, 9051340), (349406, 4525670), (452567, 3494060), (698812, 2262835), (873515, 1810268), (905134, 1747030)]