161780970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3671}}^1$

素因数の和:3807

約数の個数: 64

約数和(自身を含む): 421956864

約数和(自身を除く): 260175894

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 113, 130, 195, 226, 339, 390, 565, 678, 1130, 1469, 1695, 2938, 3390, 3671, 4407, 7342, 7345, 8814, 11013, 14690, 18355, 22026, 22035, 36710, 44070, 47723, 55065, 95446, 110130, 143169, 238615, 286338, 414823, 477230, 715845, 829646, 1244469, 1431690, 2074115, 2488938, 4148230, 5392699, 6222345, 10785398, 12444690, 16178097, 26963495, 32356194, 53926990, 80890485, 161780970]

約数ペア:

[(1, 161780970), (2, 80890485), (3, 53926990), (5, 32356194), (6, 26963495), (10, 16178097), (13, 12444690), (15, 10785398), (26, 6222345), (30, 5392699), (39, 4148230), (65, 2488938), (78, 2074115), (113, 1431690), (130, 1244469), (195, 829646), (226, 715845), (339, 477230), (390, 414823), (565, 286338), (678, 238615), (1130, 143169), (1469, 110130), (1695, 95446), (2938, 55065), (3390, 47723), (3671, 44070), (4407, 36710), (7342, 22035), (7345, 22026), (8814, 18355), (11013, 14690)]