1621198080

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{140729}}^1$

素因数の和:140756

約数の個数: 108

約数和(自身を含む): 5609216340

約数和(自身を除く): 3988018260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 140729, 281458, 422187, 562916, 703645, 844374, 1125832, 1266561, 1407290, 1688748, 2110935, 2251664, 2533122, 2814580, 3377496, 4221870, 4503328, 5066244, 5629160, 6332805, 6754992, 8443740, 9006656, 10132488, 11258320, 12665610, 13509984, 16887480, 18013312, 20264976, 22516640, 25331220, 27019968, 33774960, 36026624, 40529952, 45033280, 50662440, 54039936, 67549920, 81059904, 90066560, 101324880, 108079872, 135099840, 162119808, 180133120, 202649760, 270199680, 324239616, 405299520, 540399360, 810599040, 1621198080]

約数ペア:

[(1, 1621198080), (2, 810599040), (3, 540399360), (4, 405299520), (5, 324239616), (6, 270199680), (8, 202649760), (9, 180133120), (10, 162119808), (12, 135099840), (15, 108079872), (16, 101324880), (18, 90066560), (20, 81059904), (24, 67549920), (30, 54039936), (32, 50662440), (36, 45033280), (40, 40529952), (45, 36026624), (48, 33774960), (60, 27019968), (64, 25331220), (72, 22516640), (80, 20264976), (90, 18013312), (96, 16887480), (120, 13509984), (128, 12665610), (144, 11258320), (160, 10132488), (180, 9006656), (192, 8443740), (240, 6754992), (256, 6332805), (288, 5629160), (320, 5066244), (360, 4503328), (384, 4221870), (480, 3377496), (576, 2814580), (640, 2533122), (720, 2251664), (768, 2110935), (960, 1688748), (1152, 1407290), (1280, 1266561), (1440, 1125832), (1920, 844374), (2304, 703645), (2880, 562916), (3840, 422187), (5760, 281458), (11520, 140729)]