621147780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313711}}^1$

素因数の和:313737

約数の個数: 72

約数和(自身を含む): 2055441024

約数和(自身を除く): 1434293244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 313711, 627422, 941133, 1254844, 1568555, 1882266, 2823399, 3137110, 3450821, 3764532, 4705665, 5646798, 6274220, 6901642, 9411330, 10352463, 11293596, 13803284, 14116995, 17254105, 18822660, 20704926, 28233990, 31057389, 34508210, 41409852, 51762315, 56467980, 62114778, 69016420, 103524630, 124229556, 155286945, 207049260, 310573890, 621147780]

約数ペア:

[(1, 621147780), (2, 310573890), (3, 207049260), (4, 155286945), (5, 124229556), (6, 103524630), (9, 69016420), (10, 62114778), (11, 56467980), (12, 51762315), (15, 41409852), (18, 34508210), (20, 31057389), (22, 28233990), (30, 20704926), (33, 18822660), (36, 17254105), (44, 14116995), (45, 13803284), (55, 11293596), (60, 10352463), (66, 9411330), (90, 6901642), (99, 6274220), (110, 5646798), (132, 4705665), (165, 3764532), (180, 3450821), (198, 3137110), (220, 2823399), (330, 1882266), (396, 1568555), (495, 1254844), (660, 941133), (990, 627422), (1980, 313711)]