65269980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1039}}^1$

素因数の和:1403

約数の個数: 72

約数和(自身を含む): 198744000

約数和(自身を除く): 133474020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 1039, 1047, 1396, 1745, 2078, 2094, 3117, 3141, 3490, 4156, 4188, 5195, 5235, 6234, 6282, 6980, 9351, 10390, 10470, 12468, 12564, 15585, 15705, 18702, 20780, 20940, 31170, 31410, 37404, 46755, 62340, 62820, 93510, 187020, 362611, 725222, 1087833, 1450444, 1813055, 2175666, 3263499, 3626110, 4351332, 5439165, 6526998, 7252220, 10878330, 13053996, 16317495, 21756660, 32634990, 65269980]

約数ペア:

[(1, 65269980), (2, 32634990), (3, 21756660), (4, 16317495), (5, 13053996), (6, 10878330), (9, 7252220), (10, 6526998), (12, 5439165), (15, 4351332), (18, 3626110), (20, 3263499), (30, 2175666), (36, 1813055), (45, 1450444), (60, 1087833), (90, 725222), (180, 362611), (349, 187020), (698, 93510), (1039, 62820), (1047, 62340), (1396, 46755), (1745, 37404), (2078, 31410), (2094, 31170), (3117, 20940), (3141, 20780), (3490, 18702), (4156, 15705), (4188, 15585), (5195, 12564), (5235, 12468), (6234, 10470), (6282, 10390), (6980, 9351)]