72438520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{811}}^1$

素因数の和:869

約数の個数: 128

約数和(自身を含む): 210470400

約数和(自身を除く): 138031880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 88, 110, 116, 140, 145, 154, 203, 220, 232, 280, 290, 308, 319, 385, 406, 440, 580, 616, 638, 770, 811, 812, 1015, 1160, 1276, 1540, 1595, 1622, 1624, 2030, 2233, 2552, 3080, 3190, 3244, 4055, 4060, 4466, 5677, 6380, 6488, 8110, 8120, 8921, 8932, 11165, 11354, 12760, 16220, 17842, 17864, 22330, 22708, 23519, 28385, 32440, 35684, 44605, 44660, 45416, 47038, 56770, 62447, 71368, 89210, 89320, 94076, 113540, 117595, 124894, 164633, 178420, 188152, 227080, 235190, 249788, 258709, 312235, 329266, 356840, 470380, 499576, 517418, 624470, 658532, 823165, 940760, 1034836, 1248940, 1293545, 1317064, 1646330, 1810963, 2069672, 2497880, 2587090, 3292660, 3621926, 5174180, 6585320, 7243852, 9054815, 10348360, 14487704, 18109630, 36219260, 72438520]

約数ペア:

[(1, 72438520), (2, 36219260), (4, 18109630), (5, 14487704), (7, 10348360), (8, 9054815), (10, 7243852), (11, 6585320), (14, 5174180), (20, 3621926), (22, 3292660), (28, 2587090), (29, 2497880), (35, 2069672), (40, 1810963), (44, 1646330), (55, 1317064), (56, 1293545), (58, 1248940), (70, 1034836), (77, 940760), (88, 823165), (110, 658532), (116, 624470), (140, 517418), (145, 499576), (154, 470380), (203, 356840), (220, 329266), (232, 312235), (280, 258709), (290, 249788), (308, 235190), (319, 227080), (385, 188152), (406, 178420), (440, 164633), (580, 124894), (616, 117595), (638, 113540), (770, 94076), (811, 89320), (812, 89210), (1015, 71368), (1160, 62447), (1276, 56770), (1540, 47038), (1595, 45416), (1622, 44660), (1624, 44605), (2030, 35684), (2233, 32440), (2552, 28385), (3080, 23519), (3190, 22708), (3244, 22330), (4055, 17864), (4060, 17842), (4466, 16220), (5677, 12760), (6380, 11354), (6488, 11165), (8110, 8932), (8120, 8921)]