1387282920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:779

約数の個数: 128

約数和(自身を含む): 4225478400

約数和(自身を除く): 2838195480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 226, 263, 339, 389, 452, 526, 565, 678, 778, 789, 904, 1052, 1130, 1167, 1315, 1356, 1556, 1578, 1695, 1945, 2104, 2260, 2334, 2630, 2712, 3112, 3156, 3390, 3890, 3945, 4520, 4668, 5260, 5835, 6312, 6780, 7780, 7890, 9336, 10520, 11670, 13560, 15560, 15780, 23340, 29719, 31560, 43957, 46680, 59438, 87914, 89157, 102307, 118876, 131871, 148595, 175828, 178314, 204614, 219785, 237752, 263742, 297190, 306921, 351656, 356628, 409228, 439570, 445785, 511535, 527484, 594380, 613842, 659355, 713256, 818456, 879140, 891570, 1023070, 1054968, 1188760, 1227684, 1318710, 1534605, 1758280, 1783140, 2046140, 2455368, 2637420, 3069210, 3566280, 4092280, 5274840, 6138420, 11560691, 12276840, 23121382, 34682073, 46242764, 57803455, 69364146, 92485528, 115606910, 138728292, 173410365, 231213820, 277456584, 346820730, 462427640, 693641460, 1387282920]

約数ペア:

[(1, 1387282920), (2, 693641460), (3, 462427640), (4, 346820730), (5, 277456584), (6, 231213820), (8, 173410365), (10, 138728292), (12, 115606910), (15, 92485528), (20, 69364146), (24, 57803455), (30, 46242764), (40, 34682073), (60, 23121382), (113, 12276840), (120, 11560691), (226, 6138420), (263, 5274840), (339, 4092280), (389, 3566280), (452, 3069210), (526, 2637420), (565, 2455368), (678, 2046140), (778, 1783140), (789, 1758280), (904, 1534605), (1052, 1318710), (1130, 1227684), (1167, 1188760), (1315, 1054968), (1356, 1023070), (1556, 891570), (1578, 879140), (1695, 818456), (1945, 713256), (2104, 659355), (2260, 613842), (2334, 594380), (2630, 527484), (2712, 511535), (3112, 445785), (3156, 439570), (3390, 409228), (3890, 356628), (3945, 351656), (4520, 306921), (4668, 297190), (5260, 263742), (5835, 237752), (6312, 219785), (6780, 204614), (7780, 178314), (7890, 175828), (9336, 148595), (10520, 131871), (11670, 118876), (13560, 102307), (15560, 89157), (15780, 87914), (23340, 59438), (29719, 46680), (31560, 43957)]