9520720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 24998400

約数和(自身を除く): 15477680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 349, 440, 496, 620, 682, 698, 880, 1240, 1364, 1396, 1705, 1745, 2480, 2728, 2792, 3410, 3490, 3839, 5456, 5584, 6820, 6980, 7678, 10819, 13640, 13960, 15356, 19195, 21638, 27280, 27920, 30712, 38390, 43276, 54095, 61424, 76780, 86552, 108190, 119009, 153560, 173104, 216380, 238018, 307120, 432760, 476036, 595045, 865520, 952072, 1190090, 1904144, 2380180, 4760360, 9520720]

約数ペア:

[(1, 9520720), (2, 4760360), (4, 2380180), (5, 1904144), (8, 1190090), (10, 952072), (11, 865520), (16, 595045), (20, 476036), (22, 432760), (31, 307120), (40, 238018), (44, 216380), (55, 173104), (62, 153560), (80, 119009), (88, 108190), (110, 86552), (124, 76780), (155, 61424), (176, 54095), (220, 43276), (248, 38390), (310, 30712), (341, 27920), (349, 27280), (440, 21638), (496, 19195), (620, 15356), (682, 13960), (698, 13640), (880, 10819), (1240, 7678), (1364, 6980), (1396, 6820), (1705, 5584), (1745, 5456), (2480, 3839), (2728, 3490), (2792, 3410)]