121909720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2939}}^1$

素因数の和:3028

約数の個数: 64

約数和(自身を含む): 295293600

約数和(自身を除く): 173383880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 488, 610, 680, 1037, 1220, 2074, 2440, 2939, 4148, 5185, 5878, 8296, 10370, 11756, 14695, 20740, 23512, 29390, 41480, 49963, 58780, 99926, 117560, 179279, 199852, 249815, 358558, 399704, 499630, 717116, 896395, 999260, 1434232, 1792790, 1998520, 3047743, 3585580, 6095486, 7171160, 12190972, 15238715, 24381944, 30477430, 60954860, 121909720]

約数ペア:

[(1, 121909720), (2, 60954860), (4, 30477430), (5, 24381944), (8, 15238715), (10, 12190972), (17, 7171160), (20, 6095486), (34, 3585580), (40, 3047743), (61, 1998520), (68, 1792790), (85, 1434232), (122, 999260), (136, 896395), (170, 717116), (244, 499630), (305, 399704), (340, 358558), (488, 249815), (610, 199852), (680, 179279), (1037, 117560), (1220, 99926), (2074, 58780), (2440, 49963), (2939, 41480), (4148, 29390), (5185, 23512), (5878, 20740), (8296, 14695), (10370, 11756)]