391031520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2389}}^1$

素因数の和:2449

約数の個数: 192

約数和(自身を含む): 1387653120

約数和(自身を除く): 996621600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 96, 110, 120, 124, 132, 155, 160, 165, 176, 186, 220, 240, 248, 264, 310, 330, 341, 352, 372, 440, 465, 480, 496, 528, 620, 660, 682, 744, 880, 930, 992, 1023, 1056, 1240, 1320, 1364, 1488, 1705, 1760, 1860, 2046, 2389, 2480, 2640, 2728, 2976, 3410, 3720, 4092, 4778, 4960, 5115, 5280, 5456, 6820, 7167, 7440, 8184, 9556, 10230, 10912, 11945, 13640, 14334, 14880, 16368, 19112, 20460, 23890, 26279, 27280, 28668, 32736, 35835, 38224, 40920, 47780, 52558, 54560, 57336, 71670, 74059, 76448, 78837, 81840, 95560, 105116, 114672, 131395, 143340, 148118, 157674, 163680, 191120, 210232, 222177, 229344, 262790, 286680, 296236, 315348, 370295, 382240, 394185, 420464, 444354, 525580, 573360, 592472, 630696, 740590, 788370, 814649, 840928, 888708, 1051160, 1110885, 1146720, 1184944, 1261392, 1481180, 1576740, 1629298, 1777416, 2102320, 2221770, 2369888, 2443947, 2522784, 2962360, 3153480, 3258596, 3554832, 4073245, 4204640, 4443540, 4887894, 5924720, 6306960, 6517192, 7109664, 8146490, 8887080, 9775788, 11849440, 12219735, 12613920, 13034384, 16292980, 17774160, 19551576, 24439470, 26068768, 32585960, 35548320, 39103152, 48878940, 65171920, 78206304, 97757880, 130343840, 195515760, 391031520]

約数ペア:

[(1, 391031520), (2, 195515760), (3, 130343840), (4, 97757880), (5, 78206304), (6, 65171920), (8, 48878940), (10, 39103152), (11, 35548320), (12, 32585960), (15, 26068768), (16, 24439470), (20, 19551576), (22, 17774160), (24, 16292980), (30, 13034384), (31, 12613920), (32, 12219735), (33, 11849440), (40, 9775788), (44, 8887080), (48, 8146490), (55, 7109664), (60, 6517192), (62, 6306960), (66, 5924720), (80, 4887894), (88, 4443540), (93, 4204640), (96, 4073245), (110, 3554832), (120, 3258596), (124, 3153480), (132, 2962360), (155, 2522784), (160, 2443947), (165, 2369888), (176, 2221770), (186, 2102320), (220, 1777416), (240, 1629298), (248, 1576740), (264, 1481180), (310, 1261392), (330, 1184944), (341, 1146720), (352, 1110885), (372, 1051160), (440, 888708), (465, 840928), (480, 814649), (496, 788370), (528, 740590), (620, 630696), (660, 592472), (682, 573360), (744, 525580), (880, 444354), (930, 420464), (992, 394185), (1023, 382240), (1056, 370295), (1240, 315348), (1320, 296236), (1364, 286680), (1488, 262790), (1705, 229344), (1760, 222177), (1860, 210232), (2046, 191120), (2389, 163680), (2480, 157674), (2640, 148118), (2728, 143340), (2976, 131395), (3410, 114672), (3720, 105116), (4092, 95560), (4778, 81840), (4960, 78837), (5115, 76448), (5280, 74059), (5456, 71670), (6820, 57336), (7167, 54560), (7440, 52558), (8184, 47780), (9556, 40920), (10230, 38224), (10912, 35835), (11945, 32736), (13640, 28668), (14334, 27280), (14880, 26279), (16368, 23890), (19112, 20460)]