129621040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1609}}^1$

素因数の和:1694

約数の個数: 80

約数和(自身を含む): 323416800

約数和(自身を除く): 193795760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 53, 76, 80, 95, 106, 152, 190, 212, 265, 304, 380, 424, 530, 760, 848, 1007, 1060, 1520, 1609, 2014, 2120, 3218, 4028, 4240, 5035, 6436, 8045, 8056, 10070, 12872, 16090, 16112, 20140, 25744, 30571, 32180, 40280, 61142, 64360, 80560, 85277, 122284, 128720, 152855, 170554, 244568, 305710, 341108, 426385, 489136, 611420, 682216, 852770, 1222840, 1364432, 1620263, 1705540, 2445680, 3240526, 3411080, 6481052, 6822160, 8101315, 12962104, 16202630, 25924208, 32405260, 64810520, 129621040]

約数ペア:

[(1, 129621040), (2, 64810520), (4, 32405260), (5, 25924208), (8, 16202630), (10, 12962104), (16, 8101315), (19, 6822160), (20, 6481052), (38, 3411080), (40, 3240526), (53, 2445680), (76, 1705540), (80, 1620263), (95, 1364432), (106, 1222840), (152, 852770), (190, 682216), (212, 611420), (265, 489136), (304, 426385), (380, 341108), (424, 305710), (530, 244568), (760, 170554), (848, 152855), (1007, 128720), (1060, 122284), (1520, 85277), (1609, 80560), (2014, 64360), (2120, 61142), (3218, 40280), (4028, 32180), (4240, 30571), (5035, 25744), (6436, 20140), (8045, 16112), (8056, 16090), (10070, 12872)]