21304320

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:120

約数の個数: 176

約数和(自身を含む): 72709440

約数和(自身を除く): 51405120

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, 73, 76, 80, 95, 96, 114, 120, 128, 146, 152, 160, 190, 192, 219, 228, 240, 256, 285, 292, 304, 320, 365, 380, 384, 438, 456, 480, 512, 570, 584, 608, 640, 730, 760, 768, 876, 912, 960, 1024, 1095, 1140, 1168, 1216, 1280, 1387, 1460, 1520, 1536, 1752, 1824, 1920, 2190, 2280, 2336, 2432, 2560, 2774, 2920, 3040, 3072, 3504, 3648, 3840, 4161, 4380, 4560, 4672, 4864, 5120, 5548, 5840, 6080, 6935, 7008, 7296, 7680, 8322, 8760, 9120, 9344, 9728, 11096, 11680, 12160, 13870, 14016, 14592, 15360, 16644, 17520, 18240, 18688, 19456, 20805, 22192, 23360, 24320, 27740, 28032, 29184, 33288, 35040, 36480, 37376, 41610, 44384, 46720, 48640, 55480, 56064, 58368, 66576, 70080, 72960, 74752, 83220, 88768, 93440, 97280, 110960, 112128, 133152, 140160, 145920, 166440, 177536, 186880, 221920, 224256, 266304, 280320, 291840, 332880, 355072, 373760, 443840, 532608, 560640, 665760, 710144, 887680, 1065216, 1121280, 1331520, 1420288, 1775360, 2130432, 2663040, 3550720, 4260864, 5326080, 7101440, 10652160, 21304320]

約数ペア:

[(1, 21304320), (2, 10652160), (3, 7101440), (4, 5326080), (5, 4260864), (6, 3550720), (8, 2663040), (10, 2130432), (12, 1775360), (15, 1420288), (16, 1331520), (19, 1121280), (20, 1065216), (24, 887680), (30, 710144), (32, 665760), (38, 560640), (40, 532608), (48, 443840), (57, 373760), (60, 355072), (64, 332880), (73, 291840), (76, 280320), (80, 266304), (95, 224256), (96, 221920), (114, 186880), (120, 177536), (128, 166440), (146, 145920), (152, 140160), (160, 133152), (190, 112128), (192, 110960), (219, 97280), (228, 93440), (240, 88768), (256, 83220), (285, 74752), (292, 72960), (304, 70080), (320, 66576), (365, 58368), (380, 56064), (384, 55480), (438, 48640), (456, 46720), (480, 44384), (512, 41610), (570, 37376), (584, 36480), (608, 35040), (640, 33288), (730, 29184), (760, 28032), (768, 27740), (876, 24320), (912, 23360), (960, 22192), (1024, 20805), (1095, 19456), (1140, 18688), (1168, 18240), (1216, 17520), (1280, 16644), (1387, 15360), (1460, 14592), (1520, 14016), (1536, 13870), (1752, 12160), (1824, 11680), (1920, 11096), (2190, 9728), (2280, 9344), (2336, 9120), (2432, 8760), (2560, 8322), (2774, 7680), (2920, 7296), (3040, 7008), (3072, 6935), (3504, 6080), (3648, 5840), (3840, 5548), (4161, 5120), (4380, 4864), (4560, 4672)]