1389720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 4295520

約数和(自身を除く): 2905800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 313, 370, 444, 555, 626, 740, 888, 939, 1110, 1252, 1480, 1565, 1878, 2220, 2504, 3130, 3756, 4440, 4695, 6260, 7512, 9390, 11581, 12520, 18780, 23162, 34743, 37560, 46324, 57905, 69486, 92648, 115810, 138972, 173715, 231620, 277944, 347430, 463240, 694860, 1389720]

約数ペア:

[(1, 1389720), (2, 694860), (3, 463240), (4, 347430), (5, 277944), (6, 231620), (8, 173715), (10, 138972), (12, 115810), (15, 92648), (20, 69486), (24, 57905), (30, 46324), (37, 37560), (40, 34743), (60, 23162), (74, 18780), (111, 12520), (120, 11581), (148, 9390), (185, 7512), (222, 6260), (296, 4695), (313, 4440), (370, 3756), (444, 3130), (555, 2504), (626, 2220), (740, 1878), (888, 1565), (939, 1480), (1110, 1252)]