638223240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:731

約数の個数: 128

約数和(自身を含む): 1959183360

約数和(自身を除く): 1320960120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 163, 201, 268, 326, 335, 402, 487, 489, 536, 652, 670, 804, 815, 974, 978, 1005, 1304, 1340, 1461, 1608, 1630, 1948, 1956, 2010, 2435, 2445, 2680, 2922, 3260, 3896, 3912, 4020, 4870, 4890, 5844, 6520, 7305, 8040, 9740, 9780, 10921, 11688, 14610, 19480, 19560, 21842, 29220, 32629, 32763, 43684, 54605, 58440, 65258, 65526, 79381, 87368, 97887, 109210, 130516, 131052, 158762, 163145, 163815, 195774, 218420, 238143, 261032, 262104, 317524, 326290, 327630, 391548, 396905, 436840, 476286, 489435, 635048, 652580, 655260, 783096, 793810, 952572, 978870, 1190715, 1305160, 1310520, 1587620, 1905144, 1957740, 2381430, 3175240, 3915480, 4762860, 5318527, 9525720, 10637054, 15955581, 21274108, 26592635, 31911162, 42548216, 53185270, 63822324, 79777905, 106370540, 127644648, 159555810, 212741080, 319111620, 638223240]

約数ペア:

[(1, 638223240), (2, 319111620), (3, 212741080), (4, 159555810), (5, 127644648), (6, 106370540), (8, 79777905), (10, 63822324), (12, 53185270), (15, 42548216), (20, 31911162), (24, 26592635), (30, 21274108), (40, 15955581), (60, 10637054), (67, 9525720), (120, 5318527), (134, 4762860), (163, 3915480), (201, 3175240), (268, 2381430), (326, 1957740), (335, 1905144), (402, 1587620), (487, 1310520), (489, 1305160), (536, 1190715), (652, 978870), (670, 952572), (804, 793810), (815, 783096), (974, 655260), (978, 652580), (1005, 635048), (1304, 489435), (1340, 476286), (1461, 436840), (1608, 396905), (1630, 391548), (1948, 327630), (1956, 326290), (2010, 317524), (2435, 262104), (2445, 261032), (2680, 238143), (2922, 218420), (3260, 195774), (3896, 163815), (3912, 163145), (4020, 158762), (4870, 131052), (4890, 130516), (5844, 109210), (6520, 97887), (7305, 87368), (8040, 79381), (9740, 65526), (9780, 65258), (10921, 58440), (11688, 54605), (14610, 43684), (19480, 32763), (19560, 32629), (21842, 29220)]