260718640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{607}}^1$

素因数の和:699

約数の個数: 160

約数和(自身を含む): 759951360

約数和(自身を除く): 499232720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 59, 65, 70, 80, 91, 104, 112, 118, 130, 140, 182, 208, 236, 260, 280, 295, 364, 413, 455, 472, 520, 560, 590, 607, 728, 767, 826, 910, 944, 1040, 1180, 1214, 1456, 1534, 1652, 1820, 2065, 2360, 2428, 3035, 3068, 3304, 3640, 3835, 4130, 4249, 4720, 4856, 5369, 6070, 6136, 6608, 7280, 7670, 7891, 8260, 8498, 9712, 10738, 12140, 12272, 15340, 15782, 16520, 16996, 21245, 21476, 24280, 26845, 30680, 31564, 33040, 33992, 35813, 39455, 42490, 42952, 48560, 53690, 55237, 61360, 63128, 67984, 71626, 78910, 84980, 85904, 107380, 110474, 126256, 143252, 157820, 169960, 179065, 214760, 220948, 250691, 276185, 286504, 315640, 339920, 358130, 429520, 441896, 465569, 501382, 552370, 573008, 631280, 716260, 883792, 931138, 1002764, 1104740, 1253455, 1432520, 1862276, 2005528, 2209480, 2327845, 2506910, 2865040, 3258983, 3724552, 4011056, 4418960, 4655690, 5013820, 6517966, 7449104, 9311380, 10027640, 13035932, 16294915, 18622760, 20055280, 26071864, 32589830, 37245520, 52143728, 65179660, 130359320, 260718640]

約数ペア:

[(1, 260718640), (2, 130359320), (4, 65179660), (5, 52143728), (7, 37245520), (8, 32589830), (10, 26071864), (13, 20055280), (14, 18622760), (16, 16294915), (20, 13035932), (26, 10027640), (28, 9311380), (35, 7449104), (40, 6517966), (52, 5013820), (56, 4655690), (59, 4418960), (65, 4011056), (70, 3724552), (80, 3258983), (91, 2865040), (104, 2506910), (112, 2327845), (118, 2209480), (130, 2005528), (140, 1862276), (182, 1432520), (208, 1253455), (236, 1104740), (260, 1002764), (280, 931138), (295, 883792), (364, 716260), (413, 631280), (455, 573008), (472, 552370), (520, 501382), (560, 465569), (590, 441896), (607, 429520), (728, 358130), (767, 339920), (826, 315640), (910, 286504), (944, 276185), (1040, 250691), (1180, 220948), (1214, 214760), (1456, 179065), (1534, 169960), (1652, 157820), (1820, 143252), (2065, 126256), (2360, 110474), (2428, 107380), (3035, 85904), (3068, 84980), (3304, 78910), (3640, 71626), (3835, 67984), (4130, 63128), (4249, 61360), (4720, 55237), (4856, 53690), (5369, 48560), (6070, 42952), (6136, 42490), (6608, 39455), (7280, 35813), (7670, 33992), (7891, 33040), (8260, 31564), (8498, 30680), (9712, 26845), (10738, 24280), (12140, 21476), (12272, 21245), (15340, 16996), (15782, 16520)]