78740090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 128

約数和(自身を含む): 182891520

約数和(自身を除く): 104151430

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 41, 55, 65, 79, 82, 85, 110, 130, 143, 158, 170, 187, 205, 221, 286, 374, 395, 410, 442, 451, 533, 697, 715, 790, 869, 902, 935, 1027, 1066, 1105, 1343, 1394, 1430, 1738, 1870, 2054, 2210, 2255, 2431, 2665, 2686, 3239, 3485, 4345, 4510, 4862, 5135, 5330, 5863, 6478, 6715, 6970, 7667, 8690, 9061, 10270, 11297, 11726, 12155, 13430, 14773, 15334, 16195, 17459, 18122, 22594, 24310, 29315, 29546, 32390, 34918, 35629, 38335, 42107, 45305, 55063, 56485, 58630, 71258, 73865, 76670, 84214, 87295, 90610, 99671, 110126, 112970, 147730, 174590, 178145, 192049, 199342, 210535, 275315, 356290, 384098, 421070, 463177, 498355, 550630, 605693, 715819, 926354, 960245, 996710, 1211386, 1431638, 1920490, 2315885, 3028465, 3579095, 4631770, 6056930, 7158190, 7874009, 15748018, 39370045, 78740090]

約数ペア:

[(1, 78740090), (2, 39370045), (5, 15748018), (10, 7874009), (11, 7158190), (13, 6056930), (17, 4631770), (22, 3579095), (26, 3028465), (34, 2315885), (41, 1920490), (55, 1431638), (65, 1211386), (79, 996710), (82, 960245), (85, 926354), (110, 715819), (130, 605693), (143, 550630), (158, 498355), (170, 463177), (187, 421070), (205, 384098), (221, 356290), (286, 275315), (374, 210535), (395, 199342), (410, 192049), (442, 178145), (451, 174590), (533, 147730), (697, 112970), (715, 110126), (790, 99671), (869, 90610), (902, 87295), (935, 84214), (1027, 76670), (1066, 73865), (1105, 71258), (1343, 58630), (1394, 56485), (1430, 55063), (1738, 45305), (1870, 42107), (2054, 38335), (2210, 35629), (2255, 34918), (2431, 32390), (2665, 29546), (2686, 29315), (3239, 24310), (3485, 22594), (4345, 18122), (4510, 17459), (4862, 16195), (5135, 15334), (5330, 14773), (5863, 13430), (6478, 12155), (6715, 11726), (6970, 11297), (7667, 10270), (8690, 9061)]