636818520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{408217}}^1$

素因数の和:408244

約数の個数: 64

約数和(自身を含む): 2057418720

約数和(自身を除く): 1420600200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 408217, 816434, 1224651, 1632868, 2041085, 2449302, 3265736, 4082170, 4898604, 5306821, 6123255, 8164340, 9797208, 10613642, 12246510, 15920463, 16328680, 21227284, 24493020, 26534105, 31840926, 42454568, 48986040, 53068210, 63681852, 79602315, 106136420, 127363704, 159204630, 212272840, 318409260, 636818520]

約数ペア:

[(1, 636818520), (2, 318409260), (3, 212272840), (4, 159204630), (5, 127363704), (6, 106136420), (8, 79602315), (10, 63681852), (12, 53068210), (13, 48986040), (15, 42454568), (20, 31840926), (24, 26534105), (26, 24493020), (30, 21227284), (39, 16328680), (40, 15920463), (52, 12246510), (60, 10613642), (65, 9797208), (78, 8164340), (104, 6123255), (120, 5306821), (130, 4898604), (156, 4082170), (195, 3265736), (260, 2449302), (312, 2041085), (390, 1632868), (520, 1224651), (780, 816434), (1560, 408217)]