78487860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:622

約数の個数: 144

約数和(自身を含む): 254721600

約数和(自身を除く): 176233740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 121, 132, 165, 190, 209, 220, 228, 242, 285, 330, 363, 380, 418, 484, 569, 570, 605, 627, 660, 726, 836, 1045, 1138, 1140, 1210, 1254, 1452, 1707, 1815, 2090, 2276, 2299, 2420, 2508, 2845, 3135, 3414, 3630, 4180, 4598, 5690, 6259, 6270, 6828, 6897, 7260, 8535, 9196, 10811, 11380, 11495, 12518, 12540, 13794, 17070, 18777, 21622, 22990, 25036, 27588, 31295, 32433, 34140, 34485, 37554, 43244, 45980, 54055, 62590, 64866, 68849, 68970, 75108, 93885, 108110, 118921, 125180, 129732, 137698, 137940, 162165, 187770, 206547, 216220, 237842, 275396, 324330, 344245, 356763, 375540, 413094, 475684, 594605, 648660, 688490, 713526, 826188, 1032735, 1189210, 1308131, 1376980, 1427052, 1783815, 2065470, 2378420, 2616262, 3567630, 3924393, 4130940, 5232524, 6540655, 7135260, 7848786, 13081310, 15697572, 19621965, 26162620, 39243930, 78487860]

約数ペア:

[(1, 78487860), (2, 39243930), (3, 26162620), (4, 19621965), (5, 15697572), (6, 13081310), (10, 7848786), (11, 7135260), (12, 6540655), (15, 5232524), (19, 4130940), (20, 3924393), (22, 3567630), (30, 2616262), (33, 2378420), (38, 2065470), (44, 1783815), (55, 1427052), (57, 1376980), (60, 1308131), (66, 1189210), (76, 1032735), (95, 826188), (110, 713526), (114, 688490), (121, 648660), (132, 594605), (165, 475684), (190, 413094), (209, 375540), (220, 356763), (228, 344245), (242, 324330), (285, 275396), (330, 237842), (363, 216220), (380, 206547), (418, 187770), (484, 162165), (569, 137940), (570, 137698), (605, 129732), (627, 125180), (660, 118921), (726, 108110), (836, 93885), (1045, 75108), (1138, 68970), (1140, 68849), (1210, 64866), (1254, 62590), (1452, 54055), (1707, 45980), (1815, 43244), (2090, 37554), (2276, 34485), (2299, 34140), (2420, 32433), (2508, 31295), (2845, 27588), (3135, 25036), (3414, 22990), (3630, 21622), (4180, 18777), (4598, 17070), (5690, 13794), (6259, 12540), (6270, 12518), (6828, 11495), (6897, 11380), (7260, 10811), (8535, 9196)]