12483760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 31426560

約数和(自身を除く): 18942800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 191, 215, 304, 344, 380, 382, 430, 688, 760, 764, 817, 860, 955, 1520, 1528, 1634, 1720, 1910, 3056, 3268, 3440, 3629, 3820, 4085, 6536, 7258, 7640, 8170, 8213, 13072, 14516, 15280, 16340, 16426, 18145, 29032, 32680, 32852, 36290, 41065, 58064, 65360, 65704, 72580, 82130, 131408, 145160, 156047, 164260, 290320, 312094, 328520, 624188, 657040, 780235, 1248376, 1560470, 2496752, 3120940, 6241880, 12483760]

約数ペア:

[(1, 12483760), (2, 6241880), (4, 3120940), (5, 2496752), (8, 1560470), (10, 1248376), (16, 780235), (19, 657040), (20, 624188), (38, 328520), (40, 312094), (43, 290320), (76, 164260), (80, 156047), (86, 145160), (95, 131408), (152, 82130), (172, 72580), (190, 65704), (191, 65360), (215, 58064), (304, 41065), (344, 36290), (380, 32852), (382, 32680), (430, 29032), (688, 18145), (760, 16426), (764, 16340), (817, 15280), (860, 14516), (955, 13072), (1520, 8213), (1528, 8170), (1634, 7640), (1720, 7258), (1910, 6536), (3056, 4085), (3268, 3820), (3440, 3629)]