12142520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1272

約数の個数: 64

約数和(自身を含む): 30996000

約数和(自身を除く): 18853480

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1229, 1235, 1976, 2458, 2470, 4916, 4940, 6145, 9832, 9880, 12290, 15977, 23351, 24580, 31954, 46702, 49160, 63908, 79885, 93404, 116755, 127816, 159770, 186808, 233510, 303563, 319540, 467020, 607126, 639080, 934040, 1214252, 1517815, 2428504, 3035630, 6071260, 12142520]

約数ペア:

[(1, 12142520), (2, 6071260), (4, 3035630), (5, 2428504), (8, 1517815), (10, 1214252), (13, 934040), (19, 639080), (20, 607126), (26, 467020), (38, 319540), (40, 303563), (52, 233510), (65, 186808), (76, 159770), (95, 127816), (104, 116755), (130, 93404), (152, 79885), (190, 63908), (247, 49160), (260, 46702), (380, 31954), (494, 24580), (520, 23351), (760, 15977), (988, 12290), (1229, 9880), (1235, 9832), (1976, 6145), (2458, 4940), (2470, 4916)]