13121280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:111

約数の個数: 216

約数和(自身を含む): 48786192

約数和(自身を除く): 35664912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 67, 68, 72, 80, 85, 90, 96, 102, 120, 128, 134, 136, 144, 153, 160, 170, 180, 192, 201, 204, 240, 255, 256, 268, 272, 288, 306, 320, 335, 340, 360, 384, 402, 408, 480, 510, 536, 544, 576, 603, 612, 640, 670, 680, 720, 765, 768, 804, 816, 960, 1005, 1020, 1072, 1088, 1139, 1152, 1206, 1224, 1280, 1340, 1360, 1440, 1530, 1608, 1632, 1920, 2010, 2040, 2144, 2176, 2278, 2304, 2412, 2448, 2680, 2720, 2880, 3015, 3060, 3216, 3264, 3417, 3840, 4020, 4080, 4288, 4352, 4556, 4824, 4896, 5360, 5440, 5695, 5760, 6030, 6120, 6432, 6528, 6834, 8040, 8160, 8576, 9112, 9648, 9792, 10251, 10720, 10880, 11390, 11520, 12060, 12240, 12864, 13056, 13668, 16080, 16320, 17085, 17152, 18224, 19296, 19584, 20502, 21440, 21760, 22780, 24120, 24480, 25728, 27336, 32160, 32640, 34170, 36448, 38592, 39168, 41004, 42880, 45560, 48240, 48960, 51255, 51456, 54672, 64320, 65280, 68340, 72896, 77184, 82008, 85760, 91120, 96480, 97920, 102510, 109344, 128640, 136680, 145792, 154368, 164016, 182240, 192960, 195840, 205020, 218688, 257280, 273360, 291584, 328032, 364480, 385920, 410040, 437376, 546720, 656064, 728960, 771840, 820080, 874752, 1093440, 1312128, 1457920, 1640160, 2186880, 2624256, 3280320, 4373760, 6560640, 13121280]

約数ペア:

[(1, 13121280), (2, 6560640), (3, 4373760), (4, 3280320), (5, 2624256), (6, 2186880), (8, 1640160), (9, 1457920), (10, 1312128), (12, 1093440), (15, 874752), (16, 820080), (17, 771840), (18, 728960), (20, 656064), (24, 546720), (30, 437376), (32, 410040), (34, 385920), (36, 364480), (40, 328032), (45, 291584), (48, 273360), (51, 257280), (60, 218688), (64, 205020), (67, 195840), (68, 192960), (72, 182240), (80, 164016), (85, 154368), (90, 145792), (96, 136680), (102, 128640), (120, 109344), (128, 102510), (134, 97920), (136, 96480), (144, 91120), (153, 85760), (160, 82008), (170, 77184), (180, 72896), (192, 68340), (201, 65280), (204, 64320), (240, 54672), (255, 51456), (256, 51255), (268, 48960), (272, 48240), (288, 45560), (306, 42880), (320, 41004), (335, 39168), (340, 38592), (360, 36448), (384, 34170), (402, 32640), (408, 32160), (480, 27336), (510, 25728), (536, 24480), (544, 24120), (576, 22780), (603, 21760), (612, 21440), (640, 20502), (670, 19584), (680, 19296), (720, 18224), (765, 17152), (768, 17085), (804, 16320), (816, 16080), (960, 13668), (1005, 13056), (1020, 12864), (1072, 12240), (1088, 12060), (1139, 11520), (1152, 11390), (1206, 10880), (1224, 10720), (1280, 10251), (1340, 9792), (1360, 9648), (1440, 9112), (1530, 8576), (1608, 8160), (1632, 8040), (1920, 6834), (2010, 6528), (2040, 6432), (2144, 6120), (2176, 6030), (2278, 5760), (2304, 5695), (2412, 5440), (2448, 5360), (2680, 4896), (2720, 4824), (2880, 4556), (3015, 4352), (3060, 4288), (3216, 4080), (3264, 4020), (3417, 3840)]