645628620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{118247}}^1$

素因数の和:118279

約数の個数: 96

約数和(自身を含む): 2224954368

約数和(自身を除く): 1579325748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 118247, 236494, 354741, 472988, 591235, 709482, 827729, 1182470, 1418964, 1537211, 1655458, 1773705, 2364940, 2483187, 3074422, 3310916, 3547410, 4138645, 4611633, 4966374, 6148844, 7094820, 7686055, 8277290, 9223266, 9932748, 10760477, 12415935, 15372110, 16554580, 18446532, 21520954, 23058165, 24831870, 30744220, 32281431, 43041908, 46116330, 49663740, 53802385, 64562862, 92232660, 107604770, 129125724, 161407155, 215209540, 322814310, 645628620]

約数ペア:

[(1, 645628620), (2, 322814310), (3, 215209540), (4, 161407155), (5, 129125724), (6, 107604770), (7, 92232660), (10, 64562862), (12, 53802385), (13, 49663740), (14, 46116330), (15, 43041908), (20, 32281431), (21, 30744220), (26, 24831870), (28, 23058165), (30, 21520954), (35, 18446532), (39, 16554580), (42, 15372110), (52, 12415935), (60, 10760477), (65, 9932748), (70, 9223266), (78, 8277290), (84, 7686055), (91, 7094820), (105, 6148844), (130, 4966374), (140, 4611633), (156, 4138645), (182, 3547410), (195, 3310916), (210, 3074422), (260, 2483187), (273, 2364940), (364, 1773705), (390, 1655458), (420, 1537211), (455, 1418964), (546, 1182470), (780, 827729), (910, 709482), (1092, 591235), (1365, 472988), (1820, 354741), (2730, 236494), (5460, 118247)]