242689280

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 649010880

約数和(自身を除く): 406321600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 256, 272, 304, 320, 323, 340, 380, 544, 587, 608, 640, 646, 680, 760, 1088, 1174, 1216, 1280, 1292, 1360, 1520, 1615, 2176, 2348, 2432, 2584, 2720, 2935, 3040, 3230, 4352, 4696, 4864, 5168, 5440, 5870, 6080, 6460, 9392, 9979, 10336, 10880, 11153, 11740, 12160, 12920, 18784, 19958, 20672, 21760, 22306, 23480, 24320, 25840, 37568, 39916, 41344, 44612, 46960, 49895, 51680, 55765, 75136, 79832, 82688, 89224, 93920, 99790, 103360, 111530, 150272, 159664, 178448, 187840, 189601, 199580, 206720, 223060, 319328, 356896, 375680, 379202, 399160, 413440, 446120, 638656, 713792, 751360, 758404, 798320, 892240, 948005, 1277312, 1427584, 1516808, 1596640, 1784480, 1896010, 2554624, 2855168, 3033616, 3193280, 3568960, 3792020, 6067232, 6386560, 7137920, 7584040, 12134464, 12773120, 14275840, 15168080, 24268928, 30336160, 48537856, 60672320, 121344640, 242689280]

約数ペア:

[(1, 242689280), (2, 121344640), (4, 60672320), (5, 48537856), (8, 30336160), (10, 24268928), (16, 15168080), (17, 14275840), (19, 12773120), (20, 12134464), (32, 7584040), (34, 7137920), (38, 6386560), (40, 6067232), (64, 3792020), (68, 3568960), (76, 3193280), (80, 3033616), (85, 2855168), (95, 2554624), (128, 1896010), (136, 1784480), (152, 1596640), (160, 1516808), (170, 1427584), (190, 1277312), (256, 948005), (272, 892240), (304, 798320), (320, 758404), (323, 751360), (340, 713792), (380, 638656), (544, 446120), (587, 413440), (608, 399160), (640, 379202), (646, 375680), (680, 356896), (760, 319328), (1088, 223060), (1174, 206720), (1216, 199580), (1280, 189601), (1292, 187840), (1360, 178448), (1520, 159664), (1615, 150272), (2176, 111530), (2348, 103360), (2432, 99790), (2584, 93920), (2720, 89224), (2935, 82688), (3040, 79832), (3230, 75136), (4352, 55765), (4696, 51680), (4864, 49895), (5168, 46960), (5440, 44612), (5870, 41344), (6080, 39916), (6460, 37568), (9392, 25840), (9979, 24320), (10336, 23480), (10880, 22306), (11153, 21760), (11740, 20672), (12160, 19958), (12920, 18784)]