1206920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 3205440

約数和(自身を除く): 1998520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 211, 220, 260, 286, 422, 440, 520, 572, 715, 844, 1055, 1144, 1430, 1688, 2110, 2321, 2743, 2860, 4220, 4642, 5486, 5720, 8440, 9284, 10972, 11605, 13715, 18568, 21944, 23210, 27430, 30173, 46420, 54860, 60346, 92840, 109720, 120692, 150865, 241384, 301730, 603460, 1206920]

約数ペア:

[(1, 1206920), (2, 603460), (4, 301730), (5, 241384), (8, 150865), (10, 120692), (11, 109720), (13, 92840), (20, 60346), (22, 54860), (26, 46420), (40, 30173), (44, 27430), (52, 23210), (55, 21944), (65, 18568), (88, 13715), (104, 11605), (110, 10972), (130, 9284), (143, 8440), (211, 5720), (220, 5486), (260, 4642), (286, 4220), (422, 2860), (440, 2743), (520, 2321), (572, 2110), (715, 1688), (844, 1430), (1055, 1144)]