28308480

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:144

約数の個数: 176

約数和(自身を含む): 96290880

約数和(自身を除く): 67982400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 97, 114, 120, 128, 152, 160, 190, 192, 194, 228, 240, 256, 285, 291, 304, 320, 380, 384, 388, 456, 480, 485, 512, 570, 582, 608, 640, 760, 768, 776, 912, 960, 970, 1024, 1140, 1164, 1216, 1280, 1455, 1520, 1536, 1552, 1824, 1843, 1920, 1940, 2280, 2328, 2432, 2560, 2910, 3040, 3072, 3104, 3648, 3686, 3840, 3880, 4560, 4656, 4864, 5120, 5529, 5820, 6080, 6208, 7296, 7372, 7680, 7760, 9120, 9215, 9312, 9728, 11058, 11640, 12160, 12416, 14592, 14744, 15360, 15520, 18240, 18430, 18624, 19456, 22116, 23280, 24320, 24832, 27645, 29184, 29488, 31040, 36480, 36860, 37248, 44232, 46560, 48640, 49664, 55290, 58368, 58976, 62080, 72960, 73720, 74496, 88464, 93120, 97280, 99328, 110580, 117952, 124160, 145920, 147440, 148992, 176928, 186240, 221160, 235904, 248320, 291840, 294880, 297984, 353856, 372480, 442320, 471808, 496640, 589760, 707712, 744960, 884640, 943616, 1179520, 1415424, 1489920, 1769280, 1887232, 2359040, 2830848, 3538560, 4718080, 5661696, 7077120, 9436160, 14154240, 28308480]

約数ペア:

[(1, 28308480), (2, 14154240), (3, 9436160), (4, 7077120), (5, 5661696), (6, 4718080), (8, 3538560), (10, 2830848), (12, 2359040), (15, 1887232), (16, 1769280), (19, 1489920), (20, 1415424), (24, 1179520), (30, 943616), (32, 884640), (38, 744960), (40, 707712), (48, 589760), (57, 496640), (60, 471808), (64, 442320), (76, 372480), (80, 353856), (95, 297984), (96, 294880), (97, 291840), (114, 248320), (120, 235904), (128, 221160), (152, 186240), (160, 176928), (190, 148992), (192, 147440), (194, 145920), (228, 124160), (240, 117952), (256, 110580), (285, 99328), (291, 97280), (304, 93120), (320, 88464), (380, 74496), (384, 73720), (388, 72960), (456, 62080), (480, 58976), (485, 58368), (512, 55290), (570, 49664), (582, 48640), (608, 46560), (640, 44232), (760, 37248), (768, 36860), (776, 36480), (912, 31040), (960, 29488), (970, 29184), (1024, 27645), (1140, 24832), (1164, 24320), (1216, 23280), (1280, 22116), (1455, 19456), (1520, 18624), (1536, 18430), (1552, 18240), (1824, 15520), (1843, 15360), (1920, 14744), (1940, 14592), (2280, 12416), (2328, 12160), (2432, 11640), (2560, 11058), (2910, 9728), (3040, 9312), (3072, 9215), (3104, 9120), (3648, 7760), (3686, 7680), (3840, 7372), (3880, 7296), (4560, 6208), (4656, 6080), (4864, 5820), (5120, 5529)]