680291240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 1654732800

約数和(自身を除く): 974441560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 59, 83, 92, 115, 118, 151, 166, 184, 230, 236, 295, 302, 332, 415, 460, 472, 590, 604, 664, 755, 830, 920, 1180, 1208, 1357, 1510, 1660, 1909, 2360, 2714, 3020, 3320, 3473, 3818, 4897, 5428, 6040, 6785, 6946, 7636, 8909, 9545, 9794, 10856, 12533, 13570, 13892, 15272, 17365, 17818, 19090, 19588, 24485, 25066, 27140, 27784, 34730, 35636, 38180, 39176, 44545, 48970, 50132, 54280, 62665, 69460, 71272, 76360, 89090, 97940, 100264, 112631, 125330, 138920, 178180, 195880, 204907, 225262, 250660, 288259, 356360, 409814, 450524, 501320, 563155, 576518, 739447, 819628, 901048, 1024535, 1126310, 1153036, 1441295, 1478894, 1639256, 2049070, 2252620, 2306072, 2882590, 2957788, 3697235, 4098140, 4505240, 5765180, 5915576, 7394470, 8196280, 11530360, 14788940, 17007281, 29577880, 34014562, 68029124, 85036405, 136058248, 170072810, 340145620, 680291240]

約数ペア:

[(1, 680291240), (2, 340145620), (4, 170072810), (5, 136058248), (8, 85036405), (10, 68029124), (20, 34014562), (23, 29577880), (40, 17007281), (46, 14788940), (59, 11530360), (83, 8196280), (92, 7394470), (115, 5915576), (118, 5765180), (151, 4505240), (166, 4098140), (184, 3697235), (230, 2957788), (236, 2882590), (295, 2306072), (302, 2252620), (332, 2049070), (415, 1639256), (460, 1478894), (472, 1441295), (590, 1153036), (604, 1126310), (664, 1024535), (755, 901048), (830, 819628), (920, 739447), (1180, 576518), (1208, 563155), (1357, 501320), (1510, 450524), (1660, 409814), (1909, 356360), (2360, 288259), (2714, 250660), (3020, 225262), (3320, 204907), (3473, 195880), (3818, 178180), (4897, 138920), (5428, 125330), (6040, 112631), (6785, 100264), (6946, 97940), (7636, 89090), (8909, 76360), (9545, 71272), (9794, 69460), (10856, 62665), (12533, 54280), (13570, 50132), (13892, 48970), (15272, 44545), (17365, 39176), (17818, 38180), (19090, 35636), (19588, 34730), (24485, 27784), (25066, 27140)]