121252840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^3\times {\mathrm{617}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 290336400

約数和(自身を除く): 169083560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 617, 680, 1156, 1234, 1445, 2312, 2468, 2890, 3085, 4913, 4936, 5780, 6170, 9826, 10489, 11560, 12340, 19652, 20978, 24565, 24680, 39304, 41956, 49130, 52445, 83912, 98260, 104890, 178313, 196520, 209780, 356626, 419560, 713252, 891565, 1426504, 1783130, 3031321, 3566260, 6062642, 7132520, 12125284, 15156605, 24250568, 30313210, 60626420, 121252840]

約数ペア:

[(1, 121252840), (2, 60626420), (4, 30313210), (5, 24250568), (8, 15156605), (10, 12125284), (17, 7132520), (20, 6062642), (34, 3566260), (40, 3031321), (68, 1783130), (85, 1426504), (136, 891565), (170, 713252), (289, 419560), (340, 356626), (578, 209780), (617, 196520), (680, 178313), (1156, 104890), (1234, 98260), (1445, 83912), (2312, 52445), (2468, 49130), (2890, 41956), (3085, 39304), (4913, 24680), (4936, 24565), (5780, 20978), (6170, 19652), (9826, 12340), (10489, 11560)]