72127120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 181988352

約数和(自身を除く): 109861232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 223, 260, 311, 446, 520, 622, 892, 1040, 1115, 1244, 1555, 1784, 2230, 2488, 2899, 3110, 3568, 4043, 4460, 4976, 5798, 6220, 8086, 8920, 11596, 12440, 14495, 16172, 17840, 20215, 23192, 24880, 28990, 32344, 40430, 46384, 57980, 64688, 69353, 80860, 115960, 138706, 161720, 231920, 277412, 323440, 346765, 554824, 693530, 901589, 1109648, 1387060, 1803178, 2774120, 3606356, 4507945, 5548240, 7212712, 9015890, 14425424, 18031780, 36063560, 72127120]

約数ペア:

[(1, 72127120), (2, 36063560), (4, 18031780), (5, 14425424), (8, 9015890), (10, 7212712), (13, 5548240), (16, 4507945), (20, 3606356), (26, 2774120), (40, 1803178), (52, 1387060), (65, 1109648), (80, 901589), (104, 693530), (130, 554824), (208, 346765), (223, 323440), (260, 277412), (311, 231920), (446, 161720), (520, 138706), (622, 115960), (892, 80860), (1040, 69353), (1115, 64688), (1244, 57980), (1555, 46384), (1784, 40430), (2230, 32344), (2488, 28990), (2899, 24880), (3110, 23192), (3568, 20215), (4043, 17840), (4460, 16172), (4976, 14495), (5798, 12440), (6220, 11596), (8086, 8920)]