18679320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 192

約数和(自身を含む): 68234400

約数和(自身を除く): 49555080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 53, 55, 60, 66, 72, 88, 89, 90, 99, 106, 110, 120, 132, 159, 165, 178, 180, 198, 212, 220, 264, 265, 267, 318, 330, 356, 360, 396, 424, 440, 445, 477, 495, 530, 534, 583, 636, 660, 712, 792, 795, 801, 890, 954, 979, 990, 1060, 1068, 1166, 1272, 1320, 1335, 1590, 1602, 1749, 1780, 1908, 1958, 1980, 2120, 2136, 2332, 2385, 2670, 2915, 2937, 3180, 3204, 3498, 3560, 3816, 3916, 3960, 4005, 4664, 4717, 4770, 4895, 5247, 5340, 5830, 5874, 6360, 6408, 6996, 7832, 8010, 8745, 8811, 9434, 9540, 9790, 10494, 10680, 11660, 11748, 13992, 14151, 14685, 16020, 17490, 17622, 18868, 19080, 19580, 20988, 23320, 23496, 23585, 26235, 28302, 29370, 32040, 34980, 35244, 37736, 39160, 41976, 42453, 44055, 47170, 51887, 52470, 56604, 58740, 69960, 70488, 70755, 84906, 88110, 94340, 103774, 104940, 113208, 117480, 141510, 155661, 169812, 176220, 188680, 207548, 209880, 212265, 259435, 283020, 311322, 339624, 352440, 415096, 424530, 466983, 518870, 566040, 622644, 778305, 849060, 933966, 1037740, 1245288, 1556610, 1698120, 1867932, 2075480, 2334915, 3113220, 3735864, 4669830, 6226440, 9339660, 18679320]

約数ペア:

[(1, 18679320), (2, 9339660), (3, 6226440), (4, 4669830), (5, 3735864), (6, 3113220), (8, 2334915), (9, 2075480), (10, 1867932), (11, 1698120), (12, 1556610), (15, 1245288), (18, 1037740), (20, 933966), (22, 849060), (24, 778305), (30, 622644), (33, 566040), (36, 518870), (40, 466983), (44, 424530), (45, 415096), (53, 352440), (55, 339624), (60, 311322), (66, 283020), (72, 259435), (88, 212265), (89, 209880), (90, 207548), (99, 188680), (106, 176220), (110, 169812), (120, 155661), (132, 141510), (159, 117480), (165, 113208), (178, 104940), (180, 103774), (198, 94340), (212, 88110), (220, 84906), (264, 70755), (265, 70488), (267, 69960), (318, 58740), (330, 56604), (356, 52470), (360, 51887), (396, 47170), (424, 44055), (440, 42453), (445, 41976), (477, 39160), (495, 37736), (530, 35244), (534, 34980), (583, 32040), (636, 29370), (660, 28302), (712, 26235), (792, 23585), (795, 23496), (801, 23320), (890, 20988), (954, 19580), (979, 19080), (990, 18868), (1060, 17622), (1068, 17490), (1166, 16020), (1272, 14685), (1320, 14151), (1335, 13992), (1590, 11748), (1602, 11660), (1749, 10680), (1780, 10494), (1908, 9790), (1958, 9540), (1980, 9434), (2120, 8811), (2136, 8745), (2332, 8010), (2385, 7832), (2670, 6996), (2915, 6408), (2937, 6360), (3180, 5874), (3204, 5830), (3498, 5340), (3560, 5247), (3816, 4895), (3916, 4770), (3960, 4717), (4005, 4664)]