638753280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7561}}^1$

素因数の和:7598

約数の個数: 160

約数和(自身を含む): 2227946688

約数和(自身を除く): 1589193408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 512, 528, 640, 660, 704, 768, 880, 960, 1056, 1280, 1320, 1408, 1536, 1760, 1920, 2112, 2560, 2640, 2816, 3520, 3840, 4224, 5280, 5632, 7040, 7561, 7680, 8448, 10560, 14080, 15122, 16896, 21120, 22683, 28160, 30244, 37805, 42240, 45366, 60488, 75610, 83171, 84480, 90732, 113415, 120976, 151220, 166342, 181464, 226830, 241952, 249513, 302440, 332684, 362928, 415855, 453660, 483904, 499026, 604880, 665368, 725856, 831710, 907320, 967808, 998052, 1209760, 1247565, 1330736, 1451712, 1663420, 1814640, 1935616, 1996104, 2419520, 2495130, 2661472, 2903424, 3326840, 3629280, 3871232, 3992208, 4839040, 4990260, 5322944, 5806848, 6653680, 7258560, 7984416, 9678080, 9980520, 10645888, 11613696, 13307360, 14517120, 15968832, 19356160, 19961040, 21291776, 26614720, 29034240, 31937664, 39922080, 42583552, 53229440, 58068480, 63875328, 79844160, 106458880, 127750656, 159688320, 212917760, 319376640, 638753280]

約数ペア:

[(1, 638753280), (2, 319376640), (3, 212917760), (4, 159688320), (5, 127750656), (6, 106458880), (8, 79844160), (10, 63875328), (11, 58068480), (12, 53229440), (15, 42583552), (16, 39922080), (20, 31937664), (22, 29034240), (24, 26614720), (30, 21291776), (32, 19961040), (33, 19356160), (40, 15968832), (44, 14517120), (48, 13307360), (55, 11613696), (60, 10645888), (64, 9980520), (66, 9678080), (80, 7984416), (88, 7258560), (96, 6653680), (110, 5806848), (120, 5322944), (128, 4990260), (132, 4839040), (160, 3992208), (165, 3871232), (176, 3629280), (192, 3326840), (220, 2903424), (240, 2661472), (256, 2495130), (264, 2419520), (320, 1996104), (330, 1935616), (352, 1814640), (384, 1663420), (440, 1451712), (480, 1330736), (512, 1247565), (528, 1209760), (640, 998052), (660, 967808), (704, 907320), (768, 831710), (880, 725856), (960, 665368), (1056, 604880), (1280, 499026), (1320, 483904), (1408, 453660), (1536, 415855), (1760, 362928), (1920, 332684), (2112, 302440), (2560, 249513), (2640, 241952), (2816, 226830), (3520, 181464), (3840, 166342), (4224, 151220), (5280, 120976), (5632, 113415), (7040, 90732), (7561, 84480), (7680, 83171), (8448, 75610), (10560, 60488), (14080, 45366), (15122, 42240), (16896, 37805), (21120, 30244), (22683, 28160)]