161195160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{191899}}^1$

素因数の和:191920

約数の個数: 64

約数和(自身を含む): 552672000

約数和(自身を除く): 391476840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 191899, 383798, 575697, 767596, 959495, 1151394, 1343293, 1535192, 1918990, 2302788, 2686586, 2878485, 3837980, 4029879, 4605576, 5373172, 5756970, 6716465, 7675960, 8059758, 10746344, 11513940, 13432930, 16119516, 20149395, 23027880, 26865860, 32239032, 40298790, 53731720, 80597580, 161195160]

約数ペア:

[(1, 161195160), (2, 80597580), (3, 53731720), (4, 40298790), (5, 32239032), (6, 26865860), (7, 23027880), (8, 20149395), (10, 16119516), (12, 13432930), (14, 11513940), (15, 10746344), (20, 8059758), (21, 7675960), (24, 6716465), (28, 5756970), (30, 5373172), (35, 4605576), (40, 4029879), (42, 3837980), (56, 2878485), (60, 2686586), (70, 2302788), (84, 1918990), (105, 1535192), (120, 1343293), (140, 1151394), (168, 959495), (210, 767596), (280, 575697), (420, 383798), (840, 191899)]