38840520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 123171840

約数和(自身を除く): 84331320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 53, 60, 62, 93, 106, 120, 124, 155, 159, 186, 197, 212, 248, 265, 310, 318, 372, 394, 424, 465, 530, 591, 620, 636, 744, 788, 795, 930, 985, 1060, 1182, 1240, 1272, 1576, 1590, 1643, 1860, 1970, 2120, 2364, 2955, 3180, 3286, 3720, 3940, 4728, 4929, 5910, 6107, 6360, 6572, 7880, 8215, 9858, 10441, 11820, 12214, 13144, 16430, 18321, 19716, 20882, 23640, 24428, 24645, 30535, 31323, 32860, 36642, 39432, 41764, 48856, 49290, 52205, 61070, 62646, 65720, 73284, 83528, 91605, 98580, 104410, 122140, 125292, 146568, 156615, 183210, 197160, 208820, 244280, 250584, 313230, 323671, 366420, 417640, 626460, 647342, 732840, 971013, 1252920, 1294684, 1618355, 1942026, 2589368, 3236710, 3884052, 4855065, 6473420, 7768104, 9710130, 12946840, 19420260, 38840520]

約数ペア:

[(1, 38840520), (2, 19420260), (3, 12946840), (4, 9710130), (5, 7768104), (6, 6473420), (8, 4855065), (10, 3884052), (12, 3236710), (15, 2589368), (20, 1942026), (24, 1618355), (30, 1294684), (31, 1252920), (40, 971013), (53, 732840), (60, 647342), (62, 626460), (93, 417640), (106, 366420), (120, 323671), (124, 313230), (155, 250584), (159, 244280), (186, 208820), (197, 197160), (212, 183210), (248, 156615), (265, 146568), (310, 125292), (318, 122140), (372, 104410), (394, 98580), (424, 91605), (465, 83528), (530, 73284), (591, 65720), (620, 62646), (636, 61070), (744, 52205), (788, 49290), (795, 48856), (930, 41764), (985, 39432), (1060, 36642), (1182, 32860), (1240, 31323), (1272, 30535), (1576, 24645), (1590, 24428), (1643, 23640), (1860, 20882), (1970, 19716), (2120, 18321), (2364, 16430), (2955, 13144), (3180, 12214), (3286, 11820), (3720, 10441), (3940, 9858), (4728, 8215), (4929, 7880), (5910, 6572), (6107, 6360)]