681879520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{607}}^1$

素因数の和:705

約数の個数: 192

約数和(自身を含む): 1985679360

約数和(自身を除く): 1303799840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 59, 68, 70, 80, 85, 112, 118, 119, 136, 140, 160, 170, 224, 236, 238, 272, 280, 295, 340, 413, 472, 476, 544, 560, 590, 595, 607, 680, 826, 944, 952, 1003, 1120, 1180, 1190, 1214, 1360, 1652, 1888, 1904, 2006, 2065, 2360, 2380, 2428, 2720, 3035, 3304, 3808, 4012, 4130, 4249, 4720, 4760, 4856, 5015, 6070, 6608, 7021, 8024, 8260, 8498, 9440, 9520, 9712, 10030, 10319, 12140, 13216, 14042, 16048, 16520, 16996, 19040, 19424, 20060, 20638, 21245, 24280, 28084, 32096, 33040, 33992, 35105, 35813, 40120, 41276, 42490, 48560, 51595, 56168, 66080, 67984, 70210, 71626, 72233, 80240, 82552, 84980, 97120, 103190, 112336, 135968, 140420, 143252, 144466, 160480, 165104, 169960, 179065, 206380, 224672, 250691, 280840, 286504, 288932, 330208, 339920, 358130, 361165, 412760, 501382, 561680, 573008, 577864, 608821, 679840, 716260, 722330, 825520, 1002764, 1123360, 1146016, 1155728, 1217642, 1253455, 1432520, 1444660, 1651040, 2005528, 2311456, 2435284, 2506910, 2865040, 2889320, 3044105, 4011056, 4261747, 4870568, 5013820, 5730080, 5778640, 6088210, 8022112, 8523494, 9741136, 10027640, 11557280, 12176420, 17046988, 19482272, 20055280, 21308735, 24352840, 34093976, 40110560, 42617470, 48705680, 68187952, 85234940, 97411360, 136375904, 170469880, 340939760, 681879520]

約数ペア:

[(1, 681879520), (2, 340939760), (4, 170469880), (5, 136375904), (7, 97411360), (8, 85234940), (10, 68187952), (14, 48705680), (16, 42617470), (17, 40110560), (20, 34093976), (28, 24352840), (32, 21308735), (34, 20055280), (35, 19482272), (40, 17046988), (56, 12176420), (59, 11557280), (68, 10027640), (70, 9741136), (80, 8523494), (85, 8022112), (112, 6088210), (118, 5778640), (119, 5730080), (136, 5013820), (140, 4870568), (160, 4261747), (170, 4011056), (224, 3044105), (236, 2889320), (238, 2865040), (272, 2506910), (280, 2435284), (295, 2311456), (340, 2005528), (413, 1651040), (472, 1444660), (476, 1432520), (544, 1253455), (560, 1217642), (590, 1155728), (595, 1146016), (607, 1123360), (680, 1002764), (826, 825520), (944, 722330), (952, 716260), (1003, 679840), (1120, 608821), (1180, 577864), (1190, 573008), (1214, 561680), (1360, 501382), (1652, 412760), (1888, 361165), (1904, 358130), (2006, 339920), (2065, 330208), (2360, 288932), (2380, 286504), (2428, 280840), (2720, 250691), (3035, 224672), (3304, 206380), (3808, 179065), (4012, 169960), (4130, 165104), (4249, 160480), (4720, 144466), (4760, 143252), (4856, 140420), (5015, 135968), (6070, 112336), (6608, 103190), (7021, 97120), (8024, 84980), (8260, 82552), (8498, 80240), (9440, 72233), (9520, 71626), (9712, 70210), (10030, 67984), (10319, 66080), (12140, 56168), (13216, 51595), (14042, 48560), (16048, 42490), (16520, 41276), (16996, 40120), (19040, 35813), (19424, 35105), (20060, 33992), (20638, 33040), (21245, 32096), (24280, 28084)]