2779440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 8877408

約数和(自身を除く): 6097968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 313, 370, 444, 555, 592, 626, 740, 888, 939, 1110, 1252, 1480, 1565, 1776, 1878, 2220, 2504, 2960, 3130, 3756, 4440, 4695, 5008, 6260, 7512, 8880, 9390, 11581, 12520, 15024, 18780, 23162, 25040, 34743, 37560, 46324, 57905, 69486, 75120, 92648, 115810, 138972, 173715, 185296, 231620, 277944, 347430, 463240, 555888, 694860, 926480, 1389720, 2779440]

約数ペア:

[(1, 2779440), (2, 1389720), (3, 926480), (4, 694860), (5, 555888), (6, 463240), (8, 347430), (10, 277944), (12, 231620), (15, 185296), (16, 173715), (20, 138972), (24, 115810), (30, 92648), (37, 75120), (40, 69486), (48, 57905), (60, 46324), (74, 37560), (80, 34743), (111, 25040), (120, 23162), (148, 18780), (185, 15024), (222, 12520), (240, 11581), (296, 9390), (313, 8880), (370, 7512), (444, 6260), (555, 5008), (592, 4695), (626, 4440), (740, 3756), (888, 3130), (939, 2960), (1110, 2504), (1252, 2220), (1480, 1878), (1565, 1776)]