308278640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{503}}^1$

素因数の和:726

約数の個数: 80

約数和(自身を含む): 737952768

約数和(自身を除く): 429674128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 163, 188, 235, 326, 376, 470, 503, 652, 752, 815, 940, 1006, 1304, 1630, 1880, 2012, 2515, 2608, 3260, 3760, 4024, 5030, 6520, 7661, 8048, 10060, 13040, 15322, 20120, 23641, 30644, 38305, 40240, 47282, 61288, 76610, 81989, 94564, 118205, 122576, 153220, 163978, 189128, 236410, 306440, 327956, 378256, 409945, 472820, 612880, 655912, 819890, 945640, 1311824, 1639780, 1891280, 3279560, 3853483, 6559120, 7706966, 15413932, 19267415, 30827864, 38534830, 61655728, 77069660, 154139320, 308278640]

約数ペア:

[(1, 308278640), (2, 154139320), (4, 77069660), (5, 61655728), (8, 38534830), (10, 30827864), (16, 19267415), (20, 15413932), (40, 7706966), (47, 6559120), (80, 3853483), (94, 3279560), (163, 1891280), (188, 1639780), (235, 1311824), (326, 945640), (376, 819890), (470, 655912), (503, 612880), (652, 472820), (752, 409945), (815, 378256), (940, 327956), (1006, 306440), (1304, 236410), (1630, 189128), (1880, 163978), (2012, 153220), (2515, 122576), (2608, 118205), (3260, 94564), (3760, 81989), (4024, 76610), (5030, 61288), (6520, 47282), (7661, 40240), (8048, 38305), (10060, 30644), (13040, 23641), (15322, 20120)]