205366920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{155581}}^1$

素因数の和:155606

約数の個数: 64

約数和(自身を含む): 672114240

約数和(自身を除く): 466747320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 155581, 311162, 466743, 622324, 777905, 933486, 1244648, 1555810, 1711391, 1866972, 2333715, 3111620, 3422782, 3733944, 4667430, 5134173, 6223240, 6845564, 8556955, 9334860, 10268346, 13691128, 17113910, 18669720, 20536692, 25670865, 34227820, 41073384, 51341730, 68455640, 102683460, 205366920]

約数ペア:

[(1, 205366920), (2, 102683460), (3, 68455640), (4, 51341730), (5, 41073384), (6, 34227820), (8, 25670865), (10, 20536692), (11, 18669720), (12, 17113910), (15, 13691128), (20, 10268346), (22, 9334860), (24, 8556955), (30, 6845564), (33, 6223240), (40, 5134173), (44, 4667430), (55, 3733944), (60, 3422782), (66, 3111620), (88, 2333715), (110, 1866972), (120, 1711391), (132, 1555810), (165, 1244648), (220, 933486), (264, 777905), (330, 622324), (440, 466743), (660, 311162), (1320, 155581)]