72034480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{419}}^1$

素因数の和:746

約数の個数: 80

約数和(自身を含む): 192487680

約数和(自身を除く): 120453200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 307, 419, 560, 614, 838, 1228, 1535, 1676, 2095, 2149, 2456, 2933, 3070, 3352, 4190, 4298, 4912, 5866, 6140, 6704, 8380, 8596, 10745, 11732, 12280, 14665, 16760, 17192, 21490, 23464, 24560, 29330, 33520, 34384, 42980, 46928, 58660, 85960, 117320, 128633, 171920, 234640, 257266, 514532, 643165, 900431, 1029064, 1286330, 1800862, 2058128, 2572660, 3601724, 4502155, 5145320, 7203448, 9004310, 10290640, 14406896, 18008620, 36017240, 72034480]

約数ペア:

[(1, 72034480), (2, 36017240), (4, 18008620), (5, 14406896), (7, 10290640), (8, 9004310), (10, 7203448), (14, 5145320), (16, 4502155), (20, 3601724), (28, 2572660), (35, 2058128), (40, 1800862), (56, 1286330), (70, 1029064), (80, 900431), (112, 643165), (140, 514532), (280, 257266), (307, 234640), (419, 171920), (560, 128633), (614, 117320), (838, 85960), (1228, 58660), (1535, 46928), (1676, 42980), (2095, 34384), (2149, 33520), (2456, 29330), (2933, 24560), (3070, 23464), (3352, 21490), (4190, 17192), (4298, 16760), (4912, 14665), (5866, 12280), (6140, 11732), (6704, 10745), (8380, 8596)]