121569980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{6529}}^1$

素因数の和:6571

約数の個数: 72

約数和(自身を含む): 312656400

約数和(自身を除く): 191086420

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 6529, 9310, 13058, 18620, 26116, 32645, 45703, 65290, 91406, 124051, 130580, 182812, 228515, 248102, 319921, 457030, 496204, 620255, 639842, 868357, 914060, 1240510, 1279684, 1599605, 1736714, 2481020, 3199210, 3473428, 4341785, 6078499, 6398420, 8683570, 12156998, 17367140, 24313996, 30392495, 60784990, 121569980]

約数ペア:

[(1, 121569980), (2, 60784990), (4, 30392495), (5, 24313996), (7, 17367140), (10, 12156998), (14, 8683570), (19, 6398420), (20, 6078499), (28, 4341785), (35, 3473428), (38, 3199210), (49, 2481020), (70, 1736714), (76, 1599605), (95, 1279684), (98, 1240510), (133, 914060), (140, 868357), (190, 639842), (196, 620255), (245, 496204), (266, 457030), (380, 319921), (490, 248102), (532, 228515), (665, 182812), (931, 130580), (980, 124051), (1330, 91406), (1862, 65290), (2660, 45703), (3724, 32645), (4655, 26116), (6529, 18620), (9310, 13058)]