1989969360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{267469}}^1$

素因数の和:267516

約数の個数: 80

約数和(自身を含む): 6367925760

約数和(自身を除く): 4377956400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 267469, 534938, 802407, 1069876, 1337345, 1604814, 2139752, 2674690, 3209628, 4012035, 4279504, 5349380, 6419256, 8024070, 8291539, 10698760, 12838512, 16048140, 16583078, 21397520, 24874617, 32096280, 33166156, 41457695, 49749234, 64192560, 66332312, 82915390, 99498468, 124373085, 132664624, 165830780, 198996936, 248746170, 331661560, 397993872, 497492340, 663323120, 994984680, 1989969360]

約数ペア:

[(1, 1989969360), (2, 994984680), (3, 663323120), (4, 497492340), (5, 397993872), (6, 331661560), (8, 248746170), (10, 198996936), (12, 165830780), (15, 132664624), (16, 124373085), (20, 99498468), (24, 82915390), (30, 66332312), (31, 64192560), (40, 49749234), (48, 41457695), (60, 33166156), (62, 32096280), (80, 24874617), (93, 21397520), (120, 16583078), (124, 16048140), (155, 12838512), (186, 10698760), (240, 8291539), (248, 8024070), (310, 6419256), (372, 5349380), (465, 4279504), (496, 4012035), (620, 3209628), (744, 2674690), (930, 2139752), (1240, 1604814), (1488, 1337345), (1860, 1069876), (2480, 802407), (3720, 534938), (7440, 267469)]