80073980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30103}}^1$

素因数の和:30138

約数の個数: 48

約数和(自身を含む): 202298880

約数和(自身を除く): 122224900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 30103, 60206, 120412, 150515, 210721, 301030, 421442, 571957, 602060, 842884, 1053605, 1143914, 2107210, 2287828, 2859785, 4003699, 4214420, 5719570, 8007398, 11439140, 16014796, 20018495, 40036990, 80073980]

約数ペア:

[(1, 80073980), (2, 40036990), (4, 20018495), (5, 16014796), (7, 11439140), (10, 8007398), (14, 5719570), (19, 4214420), (20, 4003699), (28, 2859785), (35, 2287828), (38, 2107210), (70, 1143914), (76, 1053605), (95, 842884), (133, 602060), (140, 571957), (190, 421442), (266, 301030), (380, 210721), (532, 150515), (665, 120412), (1330, 60206), (2660, 30103)]