870880890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{2663}}^1$

素因数の和:3675

約数の個数: 64

約数和(自身を含む): 2283282432

約数和(自身を除く): 1412401542

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 991, 1982, 2663, 2973, 4955, 5326, 5946, 7989, 9910, 10901, 13315, 14865, 15978, 21802, 26630, 29293, 29730, 32703, 39945, 54505, 58586, 65406, 79890, 87879, 109010, 146465, 163515, 175758, 292930, 327030, 439395, 878790, 2639033, 5278066, 7917099, 13195165, 15834198, 26390330, 29029363, 39585495, 58058726, 79170990, 87088089, 145146815, 174176178, 290293630, 435440445, 870880890]

約数ペア:

[(1, 870880890), (2, 435440445), (3, 290293630), (5, 174176178), (6, 145146815), (10, 87088089), (11, 79170990), (15, 58058726), (22, 39585495), (30, 29029363), (33, 26390330), (55, 15834198), (66, 13195165), (110, 7917099), (165, 5278066), (330, 2639033), (991, 878790), (1982, 439395), (2663, 327030), (2973, 292930), (4955, 175758), (5326, 163515), (5946, 146465), (7989, 109010), (9910, 87879), (10901, 79890), (13315, 65406), (14865, 58586), (15978, 54505), (21802, 39945), (26630, 32703), (29293, 29730)]