641041920

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{27823}}^1$

素因数の和:27852

約数の個数: 120

約数和(自身を含む): 2220188256

約数和(自身を除く): 1579146336

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, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11520, 23040, 27823, 55646, 83469, 111292, 139115, 166938, 222584, 250407, 278230, 333876, 417345, 445168, 500814, 556460, 667752, 834690, 890336, 1001628, 1112920, 1252035, 1335504, 1669380, 1780672, 2003256, 2225840, 2504070, 2671008, 3338760, 3561344, 4006512, 4451680, 5008140, 5342016, 6677520, 7122688, 8013024, 8903360, 10016280, 10684032, 13355040, 14245376, 16026048, 17806720, 20032560, 21368064, 26710080, 32052096, 35613440, 40065120, 42736128, 53420160, 64104192, 71226880, 80130240, 106840320, 128208384, 160260480, 213680640, 320520960, 641041920]

約数ペア:

[(1, 641041920), (2, 320520960), (3, 213680640), (4, 160260480), (5, 128208384), (6, 106840320), (8, 80130240), (9, 71226880), (10, 64104192), (12, 53420160), (15, 42736128), (16, 40065120), (18, 35613440), (20, 32052096), (24, 26710080), (30, 21368064), (32, 20032560), (36, 17806720), (40, 16026048), (45, 14245376), (48, 13355040), (60, 10684032), (64, 10016280), (72, 8903360), (80, 8013024), (90, 7122688), (96, 6677520), (120, 5342016), (128, 5008140), (144, 4451680), (160, 4006512), (180, 3561344), (192, 3338760), (240, 2671008), (256, 2504070), (288, 2225840), (320, 2003256), (360, 1780672), (384, 1669380), (480, 1335504), (512, 1252035), (576, 1112920), (640, 1001628), (720, 890336), (768, 834690), (960, 667752), (1152, 556460), (1280, 500814), (1440, 445168), (1536, 417345), (1920, 333876), (2304, 278230), (2560, 250407), (2880, 222584), (3840, 166938), (4608, 139115), (5760, 111292), (7680, 83469), (11520, 55646), (23040, 27823)]