1306483840

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65851}}^1$

素因数の和:65901

約数の個数: 64

約数和(自身を含む): 3224113920

約数和(自身を除く): 1917630080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 65851, 131702, 263404, 329255, 526808, 658510, 1053616, 1317020, 2041381, 2107232, 2634040, 4082762, 4214464, 5268080, 8165524, 8428928, 10206905, 10536160, 16331048, 20413810, 21072320, 32662096, 40827620, 42144640, 65324192, 81655240, 130648384, 163310480, 261296768, 326620960, 653241920, 1306483840]

約数ペア:

[(1, 1306483840), (2, 653241920), (4, 326620960), (5, 261296768), (8, 163310480), (10, 130648384), (16, 81655240), (20, 65324192), (31, 42144640), (32, 40827620), (40, 32662096), (62, 21072320), (64, 20413810), (80, 16331048), (124, 10536160), (128, 10206905), (155, 8428928), (160, 8165524), (248, 5268080), (310, 4214464), (320, 4082762), (496, 2634040), (620, 2107232), (640, 2041381), (992, 1317020), (1240, 1053616), (1984, 658510), (2480, 526808), (3968, 329255), (4960, 263404), (9920, 131702), (19840, 65851)]