121762640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{80107}}^1$

素因数の和:80139

約数の個数: 40

約数和(自身を含む): 298001760

約数和(自身を除く): 176239120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 80107, 160214, 320428, 400535, 640856, 801070, 1281712, 1522033, 1602140, 3044066, 3204280, 6088132, 6408560, 7610165, 12176264, 15220330, 24352528, 30440660, 60881320, 121762640]

約数ペア:

[(1, 121762640), (2, 60881320), (4, 30440660), (5, 24352528), (8, 15220330), (10, 12176264), (16, 7610165), (19, 6408560), (20, 6088132), (38, 3204280), (40, 3044066), (76, 1602140), (80, 1522033), (95, 1281712), (152, 801070), (190, 640856), (304, 400535), (380, 320428), (760, 160214), (1520, 80107)]