79109920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:578

約数の個数: 96

約数和(自身を含む): 200854080

約数和(自身を除く): 121744160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 76, 80, 95, 106, 152, 160, 190, 212, 265, 304, 380, 424, 491, 530, 608, 760, 848, 982, 1007, 1060, 1520, 1696, 1964, 2014, 2120, 2455, 3040, 3928, 4028, 4240, 4910, 5035, 7856, 8056, 8480, 9329, 9820, 10070, 15712, 16112, 18658, 19640, 20140, 26023, 32224, 37316, 39280, 40280, 46645, 52046, 74632, 78560, 80560, 93290, 104092, 130115, 149264, 161120, 186580, 208184, 260230, 298528, 373160, 416368, 494437, 520460, 746320, 832736, 988874, 1040920, 1492640, 1977748, 2081840, 2472185, 3955496, 4163680, 4944370, 7910992, 9888740, 15821984, 19777480, 39554960, 79109920]

約数ペア:

[(1, 79109920), (2, 39554960), (4, 19777480), (5, 15821984), (8, 9888740), (10, 7910992), (16, 4944370), (19, 4163680), (20, 3955496), (32, 2472185), (38, 2081840), (40, 1977748), (53, 1492640), (76, 1040920), (80, 988874), (95, 832736), (106, 746320), (152, 520460), (160, 494437), (190, 416368), (212, 373160), (265, 298528), (304, 260230), (380, 208184), (424, 186580), (491, 161120), (530, 149264), (608, 130115), (760, 104092), (848, 93290), (982, 80560), (1007, 78560), (1060, 74632), (1520, 52046), (1696, 46645), (1964, 40280), (2014, 39280), (2120, 37316), (2455, 32224), (3040, 26023), (3928, 20140), (4028, 19640), (4240, 18658), (4910, 16112), (5035, 15712), (7856, 10070), (8056, 9820), (8480, 9329)]