123220240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10771}}^1$

素因数の和:10808

約数の個数: 80

約数和(自身を含む): 336603456

約数和(自身を除く): 213383216

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 10771, 11440, 21542, 43084, 53855, 86168, 107710, 118481, 140023, 172336, 215420, 236962, 280046, 430840, 473924, 560092, 592405, 700115, 861680, 947848, 1120184, 1184810, 1400230, 1540253, 1895696, 2240368, 2369620, 2800460, 3080506, 4739240, 5600920, 6161012, 7701265, 9478480, 11201840, 12322024, 15402530, 24644048, 30805060, 61610120, 123220240]

約数ペア:

[(1, 123220240), (2, 61610120), (4, 30805060), (5, 24644048), (8, 15402530), (10, 12322024), (11, 11201840), (13, 9478480), (16, 7701265), (20, 6161012), (22, 5600920), (26, 4739240), (40, 3080506), (44, 2800460), (52, 2369620), (55, 2240368), (65, 1895696), (80, 1540253), (88, 1400230), (104, 1184810), (110, 1120184), (130, 947848), (143, 861680), (176, 700115), (208, 592405), (220, 560092), (260, 473924), (286, 430840), (440, 280046), (520, 236962), (572, 215420), (715, 172336), (880, 140023), (1040, 118481), (1144, 107710), (1430, 86168), (2288, 53855), (2860, 43084), (5720, 21542), (10771, 11440)]