260744562

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 666489600

約数和(自身を除く): 405745038

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 113, 114, 117, 171, 173, 226, 234, 247, 339, 342, 346, 351, 494, 513, 519, 678, 702, 741, 1017, 1026, 1038, 1469, 1482, 1557, 2034, 2147, 2223, 2249, 2938, 3051, 3114, 3287, 4294, 4407, 4446, 4498, 4671, 6102, 6441, 6574, 6669, 6747, 8814, 9342, 9861, 12882, 13221, 13338, 13494, 19323, 19549, 19722, 20241, 26442, 27911, 29583, 38646, 39098, 39663, 40482, 42731, 55822, 57969, 58647, 59166, 60723, 79326, 83733, 85462, 88749, 115938, 117294, 121446, 128193, 167466, 175941, 177498, 251199, 254137, 256386, 351882, 371431, 384579, 502398, 508274, 527823, 742862, 753597, 762411, 769158, 1055646, 1114293, 1153737, 1507194, 1524822, 2228586, 2287233, 2307474, 3342879, 4574466, 4828603, 6685758, 6861699, 9657206, 10028637, 13723398, 14485809, 20057274, 28971618, 43457427, 86914854, 130372281, 260744562]

約数ペア:

[(1, 260744562), (2, 130372281), (3, 86914854), (6, 43457427), (9, 28971618), (13, 20057274), (18, 14485809), (19, 13723398), (26, 10028637), (27, 9657206), (38, 6861699), (39, 6685758), (54, 4828603), (57, 4574466), (78, 3342879), (113, 2307474), (114, 2287233), (117, 2228586), (171, 1524822), (173, 1507194), (226, 1153737), (234, 1114293), (247, 1055646), (339, 769158), (342, 762411), (346, 753597), (351, 742862), (494, 527823), (513, 508274), (519, 502398), (678, 384579), (702, 371431), (741, 351882), (1017, 256386), (1026, 254137), (1038, 251199), (1469, 177498), (1482, 175941), (1557, 167466), (2034, 128193), (2147, 121446), (2223, 117294), (2249, 115938), (2938, 88749), (3051, 85462), (3114, 83733), (3287, 79326), (4294, 60723), (4407, 59166), (4446, 58647), (4498, 57969), (4671, 55822), (6102, 42731), (6441, 40482), (6574, 39663), (6669, 39098), (6747, 38646), (8814, 29583), (9342, 27911), (9861, 26442), (12882, 20241), (13221, 19722), (13338, 19549), (13494, 19323)]