866475540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{687679}}^1$

素因数の和:687701

約数の個数: 72

約数和(自身を含む): 3003786240

約数和(自身を除く): 2137310700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 687679, 1375358, 2063037, 2750716, 3438395, 4126074, 4813753, 6189111, 6876790, 8252148, 9627506, 10315185, 12378222, 13753580, 14441259, 19255012, 20630370, 24068765, 24756444, 28882518, 30945555, 41260740, 43323777, 48137530, 57765036, 61891110, 72206295, 86647554, 96275060, 123782220, 144412590, 173295108, 216618885, 288825180, 433237770, 866475540]

約数ペア:

[(1, 866475540), (2, 433237770), (3, 288825180), (4, 216618885), (5, 173295108), (6, 144412590), (7, 123782220), (9, 96275060), (10, 86647554), (12, 72206295), (14, 61891110), (15, 57765036), (18, 48137530), (20, 43323777), (21, 41260740), (28, 30945555), (30, 28882518), (35, 24756444), (36, 24068765), (42, 20630370), (45, 19255012), (60, 14441259), (63, 13753580), (70, 12378222), (84, 10315185), (90, 9627506), (105, 8252148), (126, 6876790), (140, 6189111), (180, 4813753), (210, 4126074), (252, 3438395), (315, 2750716), (420, 2063037), (630, 1375358), (1260, 687679)]