12372780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 40158720

約数和(自身を除く): 27785940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 267, 331, 356, 420, 445, 534, 623, 662, 890, 993, 1068, 1246, 1324, 1335, 1655, 1780, 1869, 1986, 2317, 2492, 2670, 3115, 3310, 3738, 3972, 4634, 4965, 5340, 6230, 6620, 6951, 7476, 9268, 9345, 9930, 11585, 12460, 13902, 18690, 19860, 23170, 27804, 29459, 34755, 37380, 46340, 58918, 69510, 88377, 117836, 139020, 147295, 176754, 206213, 294590, 353508, 412426, 441885, 589180, 618639, 824852, 883770, 1031065, 1237278, 1767540, 2062130, 2474556, 3093195, 4124260, 6186390, 12372780]

約数ペア:

[(1, 12372780), (2, 6186390), (3, 4124260), (4, 3093195), (5, 2474556), (6, 2062130), (7, 1767540), (10, 1237278), (12, 1031065), (14, 883770), (15, 824852), (20, 618639), (21, 589180), (28, 441885), (30, 412426), (35, 353508), (42, 294590), (60, 206213), (70, 176754), (84, 147295), (89, 139020), (105, 117836), (140, 88377), (178, 69510), (210, 58918), (267, 46340), (331, 37380), (356, 34755), (420, 29459), (445, 27804), (534, 23170), (623, 19860), (662, 18690), (890, 13902), (993, 12460), (1068, 11585), (1246, 9930), (1324, 9345), (1335, 9268), (1655, 7476), (1780, 6951), (1869, 6620), (1986, 6230), (2317, 5340), (2492, 4965), (2670, 4634), (3115, 3972), (3310, 3738)]