337246520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20921}}^1$

素因数の和:20976

約数の個数: 64

約数和(自身を含む): 843575040

約数和(自身を除く): 506328520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 20921, 41842, 83684, 104605, 167368, 209210, 271973, 418420, 543946, 648551, 836840, 1087892, 1297102, 1359865, 2175784, 2594204, 2719730, 3242755, 5188408, 5439460, 6485510, 8431163, 10878920, 12971020, 16862326, 25942040, 33724652, 42155815, 67449304, 84311630, 168623260, 337246520]

約数ペア:

[(1, 337246520), (2, 168623260), (4, 84311630), (5, 67449304), (8, 42155815), (10, 33724652), (13, 25942040), (20, 16862326), (26, 12971020), (31, 10878920), (40, 8431163), (52, 6485510), (62, 5439460), (65, 5188408), (104, 3242755), (124, 2719730), (130, 2594204), (155, 2175784), (248, 1359865), (260, 1297102), (310, 1087892), (403, 836840), (520, 648551), (620, 543946), (806, 418420), (1240, 271973), (1612, 209210), (2015, 167368), (3224, 104605), (4030, 83684), (8060, 41842), (16120, 20921)]