68446980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{54323}}^1$

素因数の和:54345

約数の個数: 72

約数和(自身を含む): 237287232

約数和(自身を除く): 168840252

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, 54323, 108646, 162969, 217292, 271615, 325938, 380261, 488907, 543230, 651876, 760522, 814845, 977814, 1086460, 1140783, 1521044, 1629690, 1901305, 1955628, 2281566, 2444535, 3259380, 3422349, 3802610, 4563132, 4889070, 5703915, 6844698, 7605220, 9778140, 11407830, 13689396, 17111745, 22815660, 34223490, 68446980]

約数ペア:

[(1, 68446980), (2, 34223490), (3, 22815660), (4, 17111745), (5, 13689396), (6, 11407830), (7, 9778140), (9, 7605220), (10, 6844698), (12, 5703915), (14, 4889070), (15, 4563132), (18, 3802610), (20, 3422349), (21, 3259380), (28, 2444535), (30, 2281566), (35, 1955628), (36, 1901305), (42, 1629690), (45, 1521044), (60, 1140783), (63, 1086460), (70, 977814), (84, 814845), (90, 760522), (105, 651876), (126, 543230), (140, 488907), (180, 380261), (210, 325938), (252, 271615), (315, 217292), (420, 162969), (630, 108646), (1260, 54323)]