158978320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2551}}^1$

素因数の和:2624

約数の個数: 80

約数和(自身を含む): 398724480

約数和(自身を除く): 239746160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 820, 1520, 1558, 1640, 2551, 3116, 3280, 3895, 5102, 6232, 7790, 10204, 12464, 12755, 15580, 20408, 25510, 31160, 40816, 48469, 51020, 62320, 96938, 102040, 104591, 193876, 204080, 209182, 242345, 387752, 418364, 484690, 522955, 775504, 836728, 969380, 1045910, 1673456, 1938760, 1987229, 2091820, 3877520, 3974458, 4183640, 7948916, 8367280, 9936145, 15897832, 19872290, 31795664, 39744580, 79489160, 158978320]

約数ペア:

[(1, 158978320), (2, 79489160), (4, 39744580), (5, 31795664), (8, 19872290), (10, 15897832), (16, 9936145), (19, 8367280), (20, 7948916), (38, 4183640), (40, 3974458), (41, 3877520), (76, 2091820), (80, 1987229), (82, 1938760), (95, 1673456), (152, 1045910), (164, 969380), (190, 836728), (205, 775504), (304, 522955), (328, 484690), (380, 418364), (410, 387752), (656, 242345), (760, 209182), (779, 204080), (820, 193876), (1520, 104591), (1558, 102040), (1640, 96938), (2551, 62320), (3116, 51020), (3280, 48469), (3895, 40816), (5102, 31160), (6232, 25510), (7790, 20408), (10204, 15580), (12464, 12755)]