64896840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2539}}^1$

素因数の和:2627

約数の個数: 96

約数和(自身を含む): 213969600

約数和(自身を除く): 149072760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 852, 1065, 1278, 1420, 1704, 2130, 2539, 2556, 2840, 3195, 4260, 5078, 5112, 6390, 7617, 8520, 10156, 12695, 12780, 15234, 20312, 22851, 25390, 25560, 30468, 38085, 45702, 50780, 60936, 76170, 91404, 101560, 114255, 152340, 180269, 182808, 228510, 304680, 360538, 457020, 540807, 721076, 901345, 914040, 1081614, 1442152, 1622421, 1802690, 2163228, 2704035, 3244842, 3605380, 4326456, 5408070, 6489684, 7210760, 8112105, 10816140, 12979368, 16224210, 21632280, 32448420, 64896840]

約数ペア:

[(1, 64896840), (2, 32448420), (3, 21632280), (4, 16224210), (5, 12979368), (6, 10816140), (8, 8112105), (9, 7210760), (10, 6489684), (12, 5408070), (15, 4326456), (18, 3605380), (20, 3244842), (24, 2704035), (30, 2163228), (36, 1802690), (40, 1622421), (45, 1442152), (60, 1081614), (71, 914040), (72, 901345), (90, 721076), (120, 540807), (142, 457020), (180, 360538), (213, 304680), (284, 228510), (355, 182808), (360, 180269), (426, 152340), (568, 114255), (639, 101560), (710, 91404), (852, 76170), (1065, 60936), (1278, 50780), (1420, 45702), (1704, 38085), (2130, 30468), (2539, 25560), (2556, 25390), (2840, 22851), (3195, 20312), (4260, 15234), (5078, 12780), (5112, 12695), (6390, 10156), (7617, 8520)]