249520160

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:634

約数の個数: 96

約数和(自身を含む): 625060800

約数和(自身を除く): 375540640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 211, 304, 380, 389, 422, 608, 760, 778, 844, 1055, 1520, 1556, 1688, 1945, 2110, 3040, 3112, 3376, 3890, 4009, 4220, 6224, 6752, 7391, 7780, 8018, 8440, 12448, 14782, 15560, 16036, 16880, 20045, 29564, 31120, 32072, 33760, 36955, 40090, 59128, 62240, 64144, 73910, 80180, 82079, 118256, 128288, 147820, 160360, 164158, 236512, 295640, 320720, 328316, 410395, 591280, 641440, 656632, 820790, 1182560, 1313264, 1559501, 1641580, 2626528, 3119002, 3283160, 6238004, 6566320, 7797505, 12476008, 13132640, 15595010, 24952016, 31190020, 49904032, 62380040, 124760080, 249520160]

約数ペア:

[(1, 249520160), (2, 124760080), (4, 62380040), (5, 49904032), (8, 31190020), (10, 24952016), (16, 15595010), (19, 13132640), (20, 12476008), (32, 7797505), (38, 6566320), (40, 6238004), (76, 3283160), (80, 3119002), (95, 2626528), (152, 1641580), (160, 1559501), (190, 1313264), (211, 1182560), (304, 820790), (380, 656632), (389, 641440), (422, 591280), (608, 410395), (760, 328316), (778, 320720), (844, 295640), (1055, 236512), (1520, 164158), (1556, 160360), (1688, 147820), (1945, 128288), (2110, 118256), (3040, 82079), (3112, 80180), (3376, 73910), (3890, 64144), (4009, 62240), (4220, 59128), (6224, 40090), (6752, 36955), (7391, 33760), (7780, 32072), (8018, 31120), (8440, 29564), (12448, 20045), (14782, 16880), (15560, 16036)]