780216780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{50207}}^1$

素因数の和:50263

約数の個数: 96

約数和(自身を含む): 2564222976

約数和(自身を除く): 1784006196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 370, 420, 444, 518, 555, 740, 777, 1036, 1110, 1295, 1554, 2220, 2590, 3108, 3885, 5180, 7770, 15540, 50207, 100414, 150621, 200828, 251035, 301242, 351449, 502070, 602484, 702898, 753105, 1004140, 1054347, 1405796, 1506210, 1757245, 1857659, 2108694, 3012420, 3514490, 3715318, 4217388, 5271735, 5572977, 7028980, 7430636, 9288295, 10543470, 11145954, 13003613, 18576590, 21086940, 22291908, 26007226, 27864885, 37153180, 39010839, 52014452, 55729770, 65018065, 78021678, 111459540, 130036130, 156043356, 195054195, 260072260, 390108390, 780216780]

約数ペア:

[(1, 780216780), (2, 390108390), (3, 260072260), (4, 195054195), (5, 156043356), (6, 130036130), (7, 111459540), (10, 78021678), (12, 65018065), (14, 55729770), (15, 52014452), (20, 39010839), (21, 37153180), (28, 27864885), (30, 26007226), (35, 22291908), (37, 21086940), (42, 18576590), (60, 13003613), (70, 11145954), (74, 10543470), (84, 9288295), (105, 7430636), (111, 7028980), (140, 5572977), (148, 5271735), (185, 4217388), (210, 3715318), (222, 3514490), (259, 3012420), (370, 2108694), (420, 1857659), (444, 1757245), (518, 1506210), (555, 1405796), (740, 1054347), (777, 1004140), (1036, 753105), (1110, 702898), (1295, 602484), (1554, 502070), (2220, 351449), (2590, 301242), (3108, 251035), (3885, 200828), (5180, 150621), (7770, 100414), (15540, 50207)]