27430196720

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{29129}}^1$

素因数の和:29370

約数の個数: 80

約数和(自身を含む): 65018160000

約数和(自身を除く): 37587963280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 149, 158, 298, 316, 395, 596, 632, 745, 790, 1192, 1264, 1490, 1580, 2384, 2980, 3160, 5960, 6320, 11771, 11920, 23542, 29129, 47084, 58258, 58855, 94168, 116516, 117710, 145645, 188336, 233032, 235420, 291290, 466064, 470840, 582580, 941680, 1165160, 2301191, 2330320, 4340221, 4602382, 8680442, 9204764, 11505955, 17360884, 18409528, 21701105, 23011910, 34721768, 36819056, 43402210, 46023820, 69443536, 86804420, 92047640, 173608840, 184095280, 342877459, 347217680, 685754918, 1371509836, 1714387295, 2743019672, 3428774590, 5486039344, 6857549180, 13715098360, 27430196720]

約数ペア:

[(1, 27430196720), (2, 13715098360), (4, 6857549180), (5, 5486039344), (8, 3428774590), (10, 2743019672), (16, 1714387295), (20, 1371509836), (40, 685754918), (79, 347217680), (80, 342877459), (149, 184095280), (158, 173608840), (298, 92047640), (316, 86804420), (395, 69443536), (596, 46023820), (632, 43402210), (745, 36819056), (790, 34721768), (1192, 23011910), (1264, 21701105), (1490, 18409528), (1580, 17360884), (2384, 11505955), (2980, 9204764), (3160, 8680442), (5960, 4602382), (6320, 4340221), (11771, 2330320), (11920, 2301191), (23542, 1165160), (29129, 941680), (47084, 582580), (58258, 470840), (58855, 466064), (94168, 291290), (116516, 235420), (117710, 233032), (145645, 188336)]