154777980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{919}}^1$

素因数の和:1339

約数の個数: 96

約数和(自身を含む): 497064960

約数和(自身を除く): 342286980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 401, 420, 802, 919, 1203, 1604, 1838, 2005, 2406, 2757, 2807, 3676, 4010, 4595, 4812, 5514, 5614, 6015, 6433, 8020, 8421, 9190, 11028, 11228, 12030, 12866, 13785, 14035, 16842, 18380, 19299, 24060, 25732, 27570, 28070, 32165, 33684, 38598, 42105, 55140, 56140, 64330, 77196, 84210, 96495, 128660, 168420, 192990, 368519, 385980, 737038, 1105557, 1474076, 1842595, 2211114, 2579633, 3685190, 4422228, 5159266, 5527785, 7370380, 7738899, 10318532, 11055570, 12898165, 15477798, 22111140, 25796330, 30955596, 38694495, 51592660, 77388990, 154777980]

約数ペア:

[(1, 154777980), (2, 77388990), (3, 51592660), (4, 38694495), (5, 30955596), (6, 25796330), (7, 22111140), (10, 15477798), (12, 12898165), (14, 11055570), (15, 10318532), (20, 7738899), (21, 7370380), (28, 5527785), (30, 5159266), (35, 4422228), (42, 3685190), (60, 2579633), (70, 2211114), (84, 1842595), (105, 1474076), (140, 1105557), (210, 737038), (401, 385980), (420, 368519), (802, 192990), (919, 168420), (1203, 128660), (1604, 96495), (1838, 84210), (2005, 77196), (2406, 64330), (2757, 56140), (2807, 55140), (3676, 42105), (4010, 38598), (4595, 33684), (4812, 32165), (5514, 28070), (5614, 27570), (6015, 25732), (6433, 24060), (8020, 19299), (8421, 18380), (9190, 16842), (11028, 14035), (11228, 13785), (12030, 12866)]