291292240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 160

約数和(自身を含む): 752094720

約数和(自身を除く): 460802480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 40, 46, 53, 58, 80, 92, 103, 106, 115, 116, 145, 184, 206, 212, 230, 232, 265, 290, 368, 412, 424, 460, 464, 515, 530, 580, 667, 824, 848, 920, 1030, 1060, 1160, 1219, 1334, 1537, 1648, 1840, 2060, 2120, 2320, 2369, 2438, 2668, 2987, 3074, 3335, 4120, 4240, 4738, 4876, 5336, 5459, 5974, 6095, 6148, 6670, 7685, 8240, 9476, 9752, 10672, 10918, 11845, 11948, 12190, 12296, 13340, 14935, 15370, 18952, 19504, 21836, 23690, 23896, 24380, 24592, 26680, 27295, 29870, 30740, 35351, 37904, 43672, 47380, 47792, 48760, 53360, 54590, 59740, 61480, 68701, 70702, 87344, 94760, 97520, 109180, 119480, 122960, 125557, 137402, 141404, 158311, 176755, 189520, 218360, 238960, 251114, 274804, 282808, 316622, 343505, 353510, 436720, 502228, 549608, 565616, 627785, 633244, 687010, 707020, 791555, 1004456, 1099216, 1255570, 1266488, 1374020, 1414040, 1583110, 2008912, 2511140, 2532976, 2748040, 2828080, 3166220, 3641153, 5022280, 5496080, 6332440, 7282306, 10044560, 12664880, 14564612, 18205765, 29129224, 36411530, 58258448, 72823060, 145646120, 291292240]

約数ペア:

[(1, 291292240), (2, 145646120), (4, 72823060), (5, 58258448), (8, 36411530), (10, 29129224), (16, 18205765), (20, 14564612), (23, 12664880), (29, 10044560), (40, 7282306), (46, 6332440), (53, 5496080), (58, 5022280), (80, 3641153), (92, 3166220), (103, 2828080), (106, 2748040), (115, 2532976), (116, 2511140), (145, 2008912), (184, 1583110), (206, 1414040), (212, 1374020), (230, 1266488), (232, 1255570), (265, 1099216), (290, 1004456), (368, 791555), (412, 707020), (424, 687010), (460, 633244), (464, 627785), (515, 565616), (530, 549608), (580, 502228), (667, 436720), (824, 353510), (848, 343505), (920, 316622), (1030, 282808), (1060, 274804), (1160, 251114), (1219, 238960), (1334, 218360), (1537, 189520), (1648, 176755), (1840, 158311), (2060, 141404), (2120, 137402), (2320, 125557), (2369, 122960), (2438, 119480), (2668, 109180), (2987, 97520), (3074, 94760), (3335, 87344), (4120, 70702), (4240, 68701), (4738, 61480), (4876, 59740), (5336, 54590), (5459, 53360), (5974, 48760), (6095, 47792), (6148, 47380), (6670, 43672), (7685, 37904), (8240, 35351), (9476, 30740), (9752, 29870), (10672, 27295), (10918, 26680), (11845, 24592), (11948, 24380), (12190, 23896), (12296, 23690), (13340, 21836), (14935, 19504), (15370, 18952)]