165208920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:633

約数の個数: 128

約数和(自身を含む): 518400000

約数和(自身を除く): 353191080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 89, 93, 120, 124, 155, 178, 186, 248, 267, 310, 356, 372, 445, 465, 499, 534, 620, 712, 744, 890, 930, 998, 1068, 1240, 1335, 1497, 1780, 1860, 1996, 2136, 2495, 2670, 2759, 2994, 3560, 3720, 3992, 4990, 5340, 5518, 5988, 7485, 8277, 9980, 10680, 11036, 11976, 13795, 14970, 15469, 16554, 19960, 22072, 27590, 29940, 30938, 33108, 41385, 44411, 46407, 55180, 59880, 61876, 66216, 77345, 82770, 88822, 92814, 110360, 123752, 133233, 154690, 165540, 177644, 185628, 222055, 232035, 266466, 309380, 331080, 355288, 371256, 444110, 464070, 532932, 618760, 666165, 888220, 928140, 1065864, 1332330, 1376741, 1776440, 1856280, 2664660, 2753482, 4130223, 5329320, 5506964, 6883705, 8260446, 11013928, 13767410, 16520892, 20651115, 27534820, 33041784, 41302230, 55069640, 82604460, 165208920]

約数ペア:

[(1, 165208920), (2, 82604460), (3, 55069640), (4, 41302230), (5, 33041784), (6, 27534820), (8, 20651115), (10, 16520892), (12, 13767410), (15, 11013928), (20, 8260446), (24, 6883705), (30, 5506964), (31, 5329320), (40, 4130223), (60, 2753482), (62, 2664660), (89, 1856280), (93, 1776440), (120, 1376741), (124, 1332330), (155, 1065864), (178, 928140), (186, 888220), (248, 666165), (267, 618760), (310, 532932), (356, 464070), (372, 444110), (445, 371256), (465, 355288), (499, 331080), (534, 309380), (620, 266466), (712, 232035), (744, 222055), (890, 185628), (930, 177644), (998, 165540), (1068, 154690), (1240, 133233), (1335, 123752), (1497, 110360), (1780, 92814), (1860, 88822), (1996, 82770), (2136, 77345), (2495, 66216), (2670, 61876), (2759, 59880), (2994, 55180), (3560, 46407), (3720, 44411), (3992, 41385), (4990, 33108), (5340, 30938), (5518, 29940), (5988, 27590), (7485, 22072), (8277, 19960), (9980, 16554), (10680, 15469), (11036, 14970), (11976, 13795)]