206926980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{20407}}^1$

素因数の和:20445

約数の個数: 72

約数和(自身を含む): 627423552

約数和(自身を除く): 420496572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 10140, 20407, 40814, 61221, 81628, 102035, 122442, 204070, 244884, 265291, 306105, 408140, 530582, 612210, 795873, 1061164, 1224420, 1326455, 1591746, 2652910, 3183492, 3448783, 3979365, 5305820, 6897566, 7958730, 10346349, 13795132, 15917460, 17243915, 20692698, 34487830, 41385396, 51731745, 68975660, 103463490, 206926980]

約数ペア:

[(1, 206926980), (2, 103463490), (3, 68975660), (4, 51731745), (5, 41385396), (6, 34487830), (10, 20692698), (12, 17243915), (13, 15917460), (15, 13795132), (20, 10346349), (26, 7958730), (30, 6897566), (39, 5305820), (52, 3979365), (60, 3448783), (65, 3183492), (78, 2652910), (130, 1591746), (156, 1326455), (169, 1224420), (195, 1061164), (260, 795873), (338, 612210), (390, 530582), (507, 408140), (676, 306105), (780, 265291), (845, 244884), (1014, 204070), (1690, 122442), (2028, 102035), (2535, 81628), (3380, 61221), (5070, 40814), (10140, 20407)]