205322520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131617}}^1$

素因数の和:131644

約数の個数: 64

約数和(自身を含む): 663354720

約数和(自身を除く): 458032200

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, 131617, 263234, 394851, 526468, 658085, 789702, 1052936, 1316170, 1579404, 1711021, 1974255, 2632340, 3158808, 3422042, 3948510, 5133063, 5264680, 6844084, 7897020, 8555105, 10266126, 13688168, 15794040, 17110210, 20532252, 25665315, 34220420, 41064504, 51330630, 68440840, 102661260, 205322520]

約数ペア:

[(1, 205322520), (2, 102661260), (3, 68440840), (4, 51330630), (5, 41064504), (6, 34220420), (8, 25665315), (10, 20532252), (12, 17110210), (13, 15794040), (15, 13688168), (20, 10266126), (24, 8555105), (26, 7897020), (30, 6844084), (39, 5264680), (40, 5133063), (52, 3948510), (60, 3422042), (65, 3158808), (78, 2632340), (104, 1974255), (120, 1711021), (130, 1579404), (156, 1316170), (195, 1052936), (260, 789702), (312, 658085), (390, 526468), (520, 394851), (780, 263234), (1560, 131617)]