81946170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31397}}^1$

素因数の和:31439

約数の個数: 48

約数和(自身を含む): 220413960

約数和(自身を除く): 138467790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 31397, 62794, 94191, 156985, 188382, 282573, 313970, 470955, 565146, 910513, 941910, 1412865, 1821026, 2731539, 2825730, 4552565, 5463078, 8194617, 9105130, 13657695, 16389234, 27315390, 40973085, 81946170]

約数ペア:

[(1, 81946170), (2, 40973085), (3, 27315390), (5, 16389234), (6, 13657695), (9, 9105130), (10, 8194617), (15, 5463078), (18, 4552565), (29, 2825730), (30, 2731539), (45, 1821026), (58, 1412865), (87, 941910), (90, 910513), (145, 565146), (174, 470955), (261, 313970), (290, 282573), (435, 188382), (522, 156985), (870, 94191), (1305, 62794), (2610, 31397)]