19729200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:463

約数の個数: 120

約数和(自身を含む): 64902096

約数和(自身を除く): 45172896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 41, 48, 50, 60, 75, 80, 82, 100, 120, 123, 150, 164, 200, 205, 240, 246, 300, 328, 400, 401, 410, 492, 600, 615, 656, 802, 820, 984, 1025, 1200, 1203, 1230, 1604, 1640, 1968, 2005, 2050, 2406, 2460, 3075, 3208, 3280, 4010, 4100, 4812, 4920, 6015, 6150, 6416, 8020, 8200, 9624, 9840, 10025, 12030, 12300, 16040, 16400, 16441, 19248, 20050, 24060, 24600, 30075, 32080, 32882, 40100, 48120, 49200, 49323, 60150, 65764, 80200, 82205, 96240, 98646, 120300, 131528, 160400, 164410, 197292, 240600, 246615, 263056, 328820, 394584, 411025, 481200, 493230, 657640, 789168, 822050, 986460, 1233075, 1315280, 1644100, 1972920, 2466150, 3288200, 3945840, 4932300, 6576400, 9864600, 19729200]

約数ペア:

[(1, 19729200), (2, 9864600), (3, 6576400), (4, 4932300), (5, 3945840), (6, 3288200), (8, 2466150), (10, 1972920), (12, 1644100), (15, 1315280), (16, 1233075), (20, 986460), (24, 822050), (25, 789168), (30, 657640), (40, 493230), (41, 481200), (48, 411025), (50, 394584), (60, 328820), (75, 263056), (80, 246615), (82, 240600), (100, 197292), (120, 164410), (123, 160400), (150, 131528), (164, 120300), (200, 98646), (205, 96240), (240, 82205), (246, 80200), (300, 65764), (328, 60150), (400, 49323), (401, 49200), (410, 48120), (492, 40100), (600, 32882), (615, 32080), (656, 30075), (802, 24600), (820, 24060), (984, 20050), (1025, 19248), (1200, 16441), (1203, 16400), (1230, 16040), (1604, 12300), (1640, 12030), (1968, 10025), (2005, 9840), (2050, 9624), (2406, 8200), (2460, 8020), (3075, 6416), (3208, 6150), (3280, 6015), (4010, 4920), (4100, 4812)]