15928920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^3\times {\mathrm{43}}^1$

素因数の和:84

約数の個数: 256

約数和(自身を含む): 63360000

約数和(自身を除く): 47431080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 49, 54, 56, 60, 63, 70, 72, 84, 86, 90, 98, 105, 108, 120, 126, 129, 135, 140, 147, 168, 172, 180, 189, 196, 210, 215, 216, 245, 252, 258, 270, 280, 294, 301, 315, 343, 344, 360, 378, 387, 392, 420, 430, 441, 490, 504, 516, 540, 588, 602, 630, 645, 686, 735, 756, 774, 840, 860, 882, 903, 945, 980, 1029, 1032, 1080, 1161, 1176, 1204, 1260, 1290, 1323, 1372, 1470, 1505, 1512, 1548, 1715, 1720, 1764, 1806, 1890, 1935, 1960, 2058, 2107, 2205, 2322, 2408, 2520, 2580, 2646, 2709, 2744, 2940, 3010, 3087, 3096, 3430, 3528, 3612, 3780, 3870, 4116, 4214, 4410, 4515, 4644, 5145, 5160, 5292, 5418, 5805, 5880, 6020, 6174, 6321, 6615, 6860, 7224, 7560, 7740, 8127, 8232, 8428, 8820, 9030, 9261, 9288, 10290, 10535, 10584, 10836, 11610, 12040, 12348, 12642, 13230, 13545, 13720, 14749, 15435, 15480, 16254, 16856, 17640, 18060, 18522, 18963, 20580, 21070, 21672, 23220, 24696, 25284, 26460, 27090, 29498, 30870, 31605, 32508, 36120, 37044, 37926, 40635, 41160, 42140, 44247, 46305, 46440, 50568, 52920, 54180, 56889, 58996, 61740, 63210, 65016, 73745, 74088, 75852, 81270, 84280, 88494, 92610, 94815, 108360, 113778, 117992, 123480, 126420, 132741, 147490, 151704, 162540, 176988, 185220, 189630, 221235, 227556, 252840, 265482, 284445, 294980, 325080, 353976, 370440, 379260, 398223, 442470, 455112, 530964, 568890, 589960, 663705, 758520, 796446, 884940, 1061928, 1137780, 1327410, 1592892, 1769880, 1991115, 2275560, 2654820, 3185784, 3982230, 5309640, 7964460, 15928920]

約数ペア:

[(1, 15928920), (2, 7964460), (3, 5309640), (4, 3982230), (5, 3185784), (6, 2654820), (7, 2275560), (8, 1991115), (9, 1769880), (10, 1592892), (12, 1327410), (14, 1137780), (15, 1061928), (18, 884940), (20, 796446), (21, 758520), (24, 663705), (27, 589960), (28, 568890), (30, 530964), (35, 455112), (36, 442470), (40, 398223), (42, 379260), (43, 370440), (45, 353976), (49, 325080), (54, 294980), (56, 284445), (60, 265482), (63, 252840), (70, 227556), (72, 221235), (84, 189630), (86, 185220), (90, 176988), (98, 162540), (105, 151704), (108, 147490), (120, 132741), (126, 126420), (129, 123480), (135, 117992), (140, 113778), (147, 108360), (168, 94815), (172, 92610), (180, 88494), (189, 84280), (196, 81270), (210, 75852), (215, 74088), (216, 73745), (245, 65016), (252, 63210), (258, 61740), (270, 58996), (280, 56889), (294, 54180), (301, 52920), (315, 50568), (343, 46440), (344, 46305), (360, 44247), (378, 42140), (387, 41160), (392, 40635), (420, 37926), (430, 37044), (441, 36120), (490, 32508), (504, 31605), (516, 30870), (540, 29498), (588, 27090), (602, 26460), (630, 25284), (645, 24696), (686, 23220), (735, 21672), (756, 21070), (774, 20580), (840, 18963), (860, 18522), (882, 18060), (903, 17640), (945, 16856), (980, 16254), (1029, 15480), (1032, 15435), (1080, 14749), (1161, 13720), (1176, 13545), (1204, 13230), (1260, 12642), (1290, 12348), (1323, 12040), (1372, 11610), (1470, 10836), (1505, 10584), (1512, 10535), (1548, 10290), (1715, 9288), (1720, 9261), (1764, 9030), (1806, 8820), (1890, 8428), (1935, 8232), (1960, 8127), (2058, 7740), (2107, 7560), (2205, 7224), (2322, 6860), (2408, 6615), (2520, 6321), (2580, 6174), (2646, 6020), (2709, 5880), (2744, 5805), (2940, 5418), (3010, 5292), (3087, 5160), (3096, 5145), (3430, 4644), (3528, 4515), (3612, 4410), (3780, 4214), (3870, 4116)]