268991208

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 784555200

約数和(自身を除く): 515563992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 79, 114, 131, 152, 158, 171, 228, 237, 262, 316, 342, 361, 393, 456, 474, 524, 632, 684, 711, 722, 786, 948, 1048, 1083, 1179, 1368, 1422, 1444, 1501, 1572, 1896, 2166, 2358, 2489, 2844, 2888, 3002, 3144, 3249, 4332, 4503, 4716, 4978, 5688, 6004, 6498, 7467, 8664, 9006, 9432, 9956, 10349, 12008, 12996, 13509, 14934, 18012, 19912, 20698, 22401, 25992, 27018, 28519, 29868, 31047, 36024, 41396, 44802, 47291, 54036, 57038, 59736, 62094, 82792, 85557, 89604, 93141, 94582, 108072, 114076, 124188, 141873, 171114, 179208, 186282, 189164, 196631, 228152, 248376, 256671, 283746, 342228, 372564, 378328, 393262, 425619, 513342, 567492, 589893, 684456, 745128, 786524, 851238, 1026684, 1134984, 1179786, 1573048, 1702476, 1769679, 2053368, 2359572, 3404952, 3539358, 3735989, 4719144, 7078716, 7471978, 11207967, 14157432, 14943956, 22415934, 29887912, 33623901, 44831868, 67247802, 89663736, 134495604, 268991208]

約数ペア:

[(1, 268991208), (2, 134495604), (3, 89663736), (4, 67247802), (6, 44831868), (8, 33623901), (9, 29887912), (12, 22415934), (18, 14943956), (19, 14157432), (24, 11207967), (36, 7471978), (38, 7078716), (57, 4719144), (72, 3735989), (76, 3539358), (79, 3404952), (114, 2359572), (131, 2053368), (152, 1769679), (158, 1702476), (171, 1573048), (228, 1179786), (237, 1134984), (262, 1026684), (316, 851238), (342, 786524), (361, 745128), (393, 684456), (456, 589893), (474, 567492), (524, 513342), (632, 425619), (684, 393262), (711, 378328), (722, 372564), (786, 342228), (948, 283746), (1048, 256671), (1083, 248376), (1179, 228152), (1368, 196631), (1422, 189164), (1444, 186282), (1501, 179208), (1572, 171114), (1896, 141873), (2166, 124188), (2358, 114076), (2489, 108072), (2844, 94582), (2888, 93141), (3002, 89604), (3144, 85557), (3249, 82792), (4332, 62094), (4503, 59736), (4716, 57038), (4978, 54036), (5688, 47291), (6004, 44802), (6498, 41396), (7467, 36024), (8664, 31047), (9006, 29868), (9432, 28519), (9956, 27018), (10349, 25992), (12008, 22401), (12996, 20698), (13509, 19912), (14934, 18012)]