38781180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:705

約数の個数: 120

約数和(自身を含む): 125139168

約数和(自身を除く): 86357988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 270, 324, 333, 370, 405, 444, 540, 555, 647, 666, 740, 810, 999, 1110, 1294, 1332, 1620, 1665, 1941, 1998, 2220, 2588, 2997, 3235, 3330, 3882, 3996, 4995, 5823, 5994, 6470, 6660, 7764, 9705, 9990, 11646, 11988, 12940, 14985, 17469, 19410, 19980, 23292, 23939, 29115, 29970, 34938, 38820, 47878, 52407, 58230, 59940, 69876, 71817, 87345, 95756, 104814, 116460, 119695, 143634, 174690, 209628, 215451, 239390, 262035, 287268, 349380, 359085, 430902, 478780, 524070, 646353, 718170, 861804, 1048140, 1077255, 1292706, 1436340, 1939059, 2154510, 2585412, 3231765, 3878118, 4309020, 6463530, 7756236, 9695295, 12927060, 19390590, 38781180]

約数ペア:

[(1, 38781180), (2, 19390590), (3, 12927060), (4, 9695295), (5, 7756236), (6, 6463530), (9, 4309020), (10, 3878118), (12, 3231765), (15, 2585412), (18, 2154510), (20, 1939059), (27, 1436340), (30, 1292706), (36, 1077255), (37, 1048140), (45, 861804), (54, 718170), (60, 646353), (74, 524070), (81, 478780), (90, 430902), (108, 359085), (111, 349380), (135, 287268), (148, 262035), (162, 239390), (180, 215451), (185, 209628), (222, 174690), (270, 143634), (324, 119695), (333, 116460), (370, 104814), (405, 95756), (444, 87345), (540, 71817), (555, 69876), (647, 59940), (666, 58230), (740, 52407), (810, 47878), (999, 38820), (1110, 34938), (1294, 29970), (1332, 29115), (1620, 23939), (1665, 23292), (1941, 19980), (1998, 19410), (2220, 17469), (2588, 14985), (2997, 12940), (3235, 11988), (3330, 11646), (3882, 9990), (3996, 9705), (4995, 7764), (5823, 6660), (5994, 6470)]