195555780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{155203}}^1$

素因数の和:155225

約数の個数: 72

約数和(自身を含む): 677931072

約数和(自身を除く): 482375292

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, 155203, 310406, 465609, 620812, 776015, 931218, 1086421, 1396827, 1552030, 1862436, 2172842, 2328045, 2793654, 3104060, 3259263, 4345684, 4656090, 5432105, 5587308, 6518526, 6984135, 9312180, 9777789, 10864210, 13037052, 13968270, 16296315, 19555578, 21728420, 27936540, 32592630, 39111156, 48888945, 65185260, 97777890, 195555780]

約数ペア:

[(1, 195555780), (2, 97777890), (3, 65185260), (4, 48888945), (5, 39111156), (6, 32592630), (7, 27936540), (9, 21728420), (10, 19555578), (12, 16296315), (14, 13968270), (15, 13037052), (18, 10864210), (20, 9777789), (21, 9312180), (28, 6984135), (30, 6518526), (35, 5587308), (36, 5432105), (42, 4656090), (45, 4345684), (60, 3259263), (63, 3104060), (70, 2793654), (84, 2328045), (90, 2172842), (105, 1862436), (126, 1552030), (140, 1396827), (180, 1086421), (210, 931218), (252, 776015), (315, 620812), (420, 465609), (630, 310406), (1260, 155203)]