240091280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:745

約数の個数: 160

約数和(自身を含む): 677956608

約数和(自身を除く): 437865328

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 124, 130, 143, 155, 176, 208, 220, 248, 260, 286, 310, 341, 403, 440, 496, 520, 572, 620, 677, 682, 715, 806, 880, 1040, 1144, 1240, 1354, 1364, 1430, 1612, 1705, 2015, 2288, 2480, 2708, 2728, 2860, 3224, 3385, 3410, 4030, 4433, 5416, 5456, 5720, 6448, 6770, 6820, 7447, 8060, 8801, 8866, 10832, 11440, 13540, 13640, 14894, 16120, 17602, 17732, 20987, 22165, 27080, 27280, 29788, 32240, 35204, 35464, 37235, 41974, 44005, 44330, 54160, 59576, 70408, 70928, 74470, 83948, 88010, 88660, 96811, 104935, 119152, 140816, 148940, 167896, 176020, 177320, 193622, 209870, 230857, 272831, 297880, 335792, 352040, 354640, 387244, 419740, 461714, 484055, 545662, 595760, 704080, 774488, 839480, 923428, 968110, 1091324, 1154285, 1364155, 1548976, 1678960, 1846856, 1936220, 2182648, 2308570, 2728310, 3001141, 3693712, 3872440, 4365296, 4617140, 5456620, 6002282, 7744880, 9234280, 10913240, 12004564, 15005705, 18468560, 21826480, 24009128, 30011410, 48018256, 60022820, 120045640, 240091280]

約数ペア:

[(1, 240091280), (2, 120045640), (4, 60022820), (5, 48018256), (8, 30011410), (10, 24009128), (11, 21826480), (13, 18468560), (16, 15005705), (20, 12004564), (22, 10913240), (26, 9234280), (31, 7744880), (40, 6002282), (44, 5456620), (52, 4617140), (55, 4365296), (62, 3872440), (65, 3693712), (80, 3001141), (88, 2728310), (104, 2308570), (110, 2182648), (124, 1936220), (130, 1846856), (143, 1678960), (155, 1548976), (176, 1364155), (208, 1154285), (220, 1091324), (248, 968110), (260, 923428), (286, 839480), (310, 774488), (341, 704080), (403, 595760), (440, 545662), (496, 484055), (520, 461714), (572, 419740), (620, 387244), (677, 354640), (682, 352040), (715, 335792), (806, 297880), (880, 272831), (1040, 230857), (1144, 209870), (1240, 193622), (1354, 177320), (1364, 176020), (1430, 167896), (1612, 148940), (1705, 140816), (2015, 119152), (2288, 104935), (2480, 96811), (2708, 88660), (2728, 88010), (2860, 83948), (3224, 74470), (3385, 70928), (3410, 70408), (4030, 59576), (4433, 54160), (5416, 44330), (5456, 44005), (5720, 41974), (6448, 37235), (6770, 35464), (6820, 35204), (7447, 32240), (8060, 29788), (8801, 27280), (8866, 27080), (10832, 22165), (11440, 20987), (13540, 17732), (13640, 17602), (14894, 16120)]