39756780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 139426560

約数和(自身を除く): 99669780

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, 139, 140, 180, 210, 227, 252, 278, 315, 417, 420, 454, 556, 630, 681, 695, 834, 908, 973, 1135, 1251, 1260, 1362, 1390, 1589, 1668, 1946, 2043, 2085, 2270, 2502, 2724, 2780, 2919, 3178, 3405, 3892, 4086, 4170, 4540, 4767, 4865, 5004, 5838, 6255, 6356, 6810, 7945, 8172, 8340, 8757, 9534, 9730, 10215, 11676, 12510, 13620, 14301, 14595, 15890, 17514, 19068, 19460, 20430, 23835, 25020, 28602, 29190, 31553, 31780, 35028, 40860, 43785, 47670, 57204, 58380, 63106, 71505, 87570, 94659, 95340, 126212, 143010, 157765, 175140, 189318, 220871, 283977, 286020, 315530, 378636, 441742, 473295, 567954, 631060, 662613, 883484, 946590, 1104355, 1135908, 1325226, 1419885, 1893180, 1987839, 2208710, 2650452, 2839770, 3313065, 3975678, 4417420, 5679540, 6626130, 7951356, 9939195, 13252260, 19878390, 39756780]

約数ペア:

[(1, 39756780), (2, 19878390), (3, 13252260), (4, 9939195), (5, 7951356), (6, 6626130), (7, 5679540), (9, 4417420), (10, 3975678), (12, 3313065), (14, 2839770), (15, 2650452), (18, 2208710), (20, 1987839), (21, 1893180), (28, 1419885), (30, 1325226), (35, 1135908), (36, 1104355), (42, 946590), (45, 883484), (60, 662613), (63, 631060), (70, 567954), (84, 473295), (90, 441742), (105, 378636), (126, 315530), (139, 286020), (140, 283977), (180, 220871), (210, 189318), (227, 175140), (252, 157765), (278, 143010), (315, 126212), (417, 95340), (420, 94659), (454, 87570), (556, 71505), (630, 63106), (681, 58380), (695, 57204), (834, 47670), (908, 43785), (973, 40860), (1135, 35028), (1251, 31780), (1260, 31553), (1362, 29190), (1390, 28602), (1589, 25020), (1668, 23835), (1946, 20430), (2043, 19460), (2085, 19068), (2270, 17514), (2502, 15890), (2724, 14595), (2780, 14301), (2919, 13620), (3178, 12510), (3405, 11676), (3892, 10215), (4086, 9730), (4170, 9534), (4540, 8757), (4767, 8340), (4865, 8172), (5004, 7945), (5838, 6810), (6255, 6356)]