67881970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 139636224

約数和(自身を除く): 71754254

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 73, 115, 130, 146, 230, 299, 311, 365, 598, 622, 730, 949, 1495, 1555, 1679, 1898, 2990, 3110, 3358, 4043, 4745, 7153, 8086, 8395, 9490, 14306, 16790, 20215, 21827, 22703, 35765, 40430, 43654, 45406, 71530, 92989, 109135, 113515, 185978, 218270, 227030, 295139, 464945, 522169, 590278, 929890, 1044338, 1475695, 2610845, 2951390, 5221690, 6788197, 13576394, 33940985, 67881970]

約数ペア:

[(1, 67881970), (2, 33940985), (5, 13576394), (10, 6788197), (13, 5221690), (23, 2951390), (26, 2610845), (46, 1475695), (65, 1044338), (73, 929890), (115, 590278), (130, 522169), (146, 464945), (230, 295139), (299, 227030), (311, 218270), (365, 185978), (598, 113515), (622, 109135), (730, 92989), (949, 71530), (1495, 45406), (1555, 43654), (1679, 40430), (1898, 35765), (2990, 22703), (3110, 21827), (3358, 20215), (4043, 16790), (4745, 14306), (7153, 9490), (8086, 8395)]