808215660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{641441}}^1$

素因数の和:641463

約数の個数: 72

約数和(自身を含む): 2801818656

約数和(自身を除く): 1993602996

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 641441, 1282882, 1924323, 2565764, 3207205, 3848646, 4490087, 5772969, 6414410, 7697292, 8980174, 9621615, 11545938, 12828820, 13470261, 17960348, 19243230, 22450435, 23091876, 26940522, 28864845, 38486460, 40410783, 44900870, 53881044, 57729690, 67351305, 80821566, 89801740, 115459380, 134702610, 161643132, 202053915, 269405220, 404107830, 808215660]

約数ペア:

[(1, 808215660), (2, 404107830), (3, 269405220), (4, 202053915), (5, 161643132), (6, 134702610), (7, 115459380), (9, 89801740), (10, 80821566), (12, 67351305), (14, 57729690), (15, 53881044), (18, 44900870), (20, 40410783), (21, 38486460), (28, 28864845), (30, 26940522), (35, 23091876), (36, 22450435), (42, 19243230), (45, 17960348), (60, 13470261), (63, 12828820), (70, 11545938), (84, 9621615), (90, 8980174), (105, 7697292), (126, 6414410), (140, 5772969), (180, 4490087), (210, 3848646), (252, 3207205), (315, 2565764), (420, 1924323), (630, 1282882), (1260, 641441)]