28105437780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{829}}^1\times {\mathrm{8969}}^1$

素因数の和:9823

約数の個数: 192

約数和(自身を含む): 100062144000

約数和(自身を除く): 71956706220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 829, 945, 1260, 1658, 1890, 2487, 3316, 3780, 4145, 4974, 5803, 7461, 8290, 8969, 9948, 11606, 12435, 14922, 16580, 17409, 17938, 22383, 23212, 24870, 26907, 29015, 29844, 34818, 35876, 37305, 44766, 44845, 49740, 52227, 53814, 58030, 62783, 69636, 74610, 80721, 87045, 89532, 89690, 104454, 107628, 111915, 116060, 125566, 134535, 149220, 156681, 161442, 174090, 179380, 188349, 208908, 223830, 242163, 251132, 261135, 269070, 313362, 313915, 322884, 348180, 376698, 403605, 447660, 484326, 522270, 538140, 565047, 626724, 627830, 753396, 783405, 807210, 941745, 968652, 1044540, 1130094, 1210815, 1255660, 1566810, 1614420, 1695141, 1883490, 2260188, 2421630, 2825235, 3133620, 3390282, 3766980, 4843260, 5650470, 6780564, 7435301, 8475705, 11300940, 14870602, 16951410, 22305903, 29741204, 33902820, 37176505, 44611806, 52047107, 66917709, 74353010, 89223612, 104094214, 111529515, 133835418, 148706020, 156141321, 200753127, 208188428, 223059030, 260235535, 267670836, 312282642, 334588545, 401506254, 446118060, 468423963, 520471070, 624565284, 669177090, 780706605, 803012508, 936847926, 1003765635, 1040942140, 1338354180, 1405271889, 1561413210, 1873695852, 2007531270, 2342119815, 2810543778, 3122826420, 4015062540, 4684239630, 5621087556, 7026359445, 9368479260, 14052718890, 28105437780]

約数ペア:

[(1, 28105437780), (2, 14052718890), (3, 9368479260), (4, 7026359445), (5, 5621087556), (6, 4684239630), (7, 4015062540), (9, 3122826420), (10, 2810543778), (12, 2342119815), (14, 2007531270), (15, 1873695852), (18, 1561413210), (20, 1405271889), (21, 1338354180), (27, 1040942140), (28, 1003765635), (30, 936847926), (35, 803012508), (36, 780706605), (42, 669177090), (45, 624565284), (54, 520471070), (60, 468423963), (63, 446118060), (70, 401506254), (84, 334588545), (90, 312282642), (105, 267670836), (108, 260235535), (126, 223059030), (135, 208188428), (140, 200753127), (180, 156141321), (189, 148706020), (210, 133835418), (252, 111529515), (270, 104094214), (315, 89223612), (378, 74353010), (420, 66917709), (540, 52047107), (630, 44611806), (756, 37176505), (829, 33902820), (945, 29741204), (1260, 22305903), (1658, 16951410), (1890, 14870602), (2487, 11300940), (3316, 8475705), (3780, 7435301), (4145, 6780564), (4974, 5650470), (5803, 4843260), (7461, 3766980), (8290, 3390282), (8969, 3133620), (9948, 2825235), (11606, 2421630), (12435, 2260188), (14922, 1883490), (16580, 1695141), (17409, 1614420), (17938, 1566810), (22383, 1255660), (23212, 1210815), (24870, 1130094), (26907, 1044540), (29015, 968652), (29844, 941745), (34818, 807210), (35876, 783405), (37305, 753396), (44766, 627830), (44845, 626724), (49740, 565047), (52227, 538140), (53814, 522270), (58030, 484326), (62783, 447660), (69636, 403605), (74610, 376698), (80721, 348180), (87045, 322884), (89532, 313915), (89690, 313362), (104454, 269070), (107628, 261135), (111915, 251132), (116060, 242163), (125566, 223830), (134535, 208908), (149220, 188349), (156681, 179380), (161442, 174090)]