172496720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{929}}^1$

素因数の和:1164

約数の個数: 80

約数和(自身を含む): 440061120

約数和(自身を除く): 267564400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 211, 220, 422, 440, 844, 880, 929, 1055, 1688, 1858, 2110, 2321, 3376, 3716, 4220, 4642, 4645, 7432, 8440, 9284, 9290, 10219, 11605, 14864, 16880, 18568, 18580, 20438, 23210, 37136, 37160, 40876, 46420, 51095, 74320, 81752, 92840, 102190, 163504, 185680, 196019, 204380, 392038, 408760, 784076, 817520, 980095, 1568152, 1960190, 2156209, 3136304, 3920380, 4312418, 7840760, 8624836, 10781045, 15681520, 17249672, 21562090, 34499344, 43124180, 86248360, 172496720]

約数ペア:

[(1, 172496720), (2, 86248360), (4, 43124180), (5, 34499344), (8, 21562090), (10, 17249672), (11, 15681520), (16, 10781045), (20, 8624836), (22, 7840760), (40, 4312418), (44, 3920380), (55, 3136304), (80, 2156209), (88, 1960190), (110, 1568152), (176, 980095), (211, 817520), (220, 784076), (422, 408760), (440, 392038), (844, 204380), (880, 196019), (929, 185680), (1055, 163504), (1688, 102190), (1858, 92840), (2110, 81752), (2321, 74320), (3376, 51095), (3716, 46420), (4220, 40876), (4642, 37160), (4645, 37136), (7432, 23210), (8440, 20438), (9284, 18580), (9290, 18568), (10219, 16880), (11605, 14864)]