78503940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2521}}^1$

素因数の和:2709

約数の個数: 72

約数和(自身を含む): 239600088

約数和(自身を除く): 161096148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1557, 1730, 2076, 2521, 2595, 3114, 3460, 5042, 5190, 6228, 7563, 7785, 10084, 10380, 12605, 15126, 15570, 22689, 25210, 30252, 31140, 37815, 45378, 50420, 75630, 90756, 113445, 151260, 226890, 436133, 453780, 872266, 1308399, 1744532, 2180665, 2616798, 3925197, 4361330, 5233596, 6541995, 7850394, 8722660, 13083990, 15700788, 19625985, 26167980, 39251970, 78503940]

約数ペア:

[(1, 78503940), (2, 39251970), (3, 26167980), (4, 19625985), (5, 15700788), (6, 13083990), (9, 8722660), (10, 7850394), (12, 6541995), (15, 5233596), (18, 4361330), (20, 3925197), (30, 2616798), (36, 2180665), (45, 1744532), (60, 1308399), (90, 872266), (173, 453780), (180, 436133), (346, 226890), (519, 151260), (692, 113445), (865, 90756), (1038, 75630), (1557, 50420), (1730, 45378), (2076, 37815), (2521, 31140), (2595, 30252), (3114, 25210), (3460, 22689), (5042, 15570), (5190, 15126), (6228, 12605), (7563, 10380), (7785, 10084)]