129707960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:201

約数の個数: 128

約数和(自身を含む): 325425600

約数和(自身を除く): 195717640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 59, 61, 68, 85, 106, 118, 122, 136, 170, 212, 236, 244, 265, 295, 305, 340, 424, 472, 488, 530, 590, 610, 680, 901, 1003, 1037, 1060, 1180, 1220, 1802, 2006, 2074, 2120, 2360, 2440, 3127, 3233, 3599, 3604, 4012, 4148, 4505, 5015, 5185, 6254, 6466, 7198, 7208, 8024, 8296, 9010, 10030, 10370, 12508, 12932, 14396, 15635, 16165, 17995, 18020, 20060, 20740, 25016, 25864, 28792, 31270, 32330, 35990, 36040, 40120, 41480, 53159, 54961, 61183, 62540, 64660, 71980, 106318, 109922, 122366, 125080, 129320, 143960, 190747, 212636, 219844, 244732, 265795, 274805, 305915, 381494, 425272, 439688, 489464, 531590, 549610, 611830, 762988, 953735, 1063180, 1099220, 1223660, 1525976, 1907470, 2126360, 2198440, 2447320, 3242699, 3814940, 6485398, 7629880, 12970796, 16213495, 25941592, 32426990, 64853980, 129707960]

約数ペア:

[(1, 129707960), (2, 64853980), (4, 32426990), (5, 25941592), (8, 16213495), (10, 12970796), (17, 7629880), (20, 6485398), (34, 3814940), (40, 3242699), (53, 2447320), (59, 2198440), (61, 2126360), (68, 1907470), (85, 1525976), (106, 1223660), (118, 1099220), (122, 1063180), (136, 953735), (170, 762988), (212, 611830), (236, 549610), (244, 531590), (265, 489464), (295, 439688), (305, 425272), (340, 381494), (424, 305915), (472, 274805), (488, 265795), (530, 244732), (590, 219844), (610, 212636), (680, 190747), (901, 143960), (1003, 129320), (1037, 125080), (1060, 122366), (1180, 109922), (1220, 106318), (1802, 71980), (2006, 64660), (2074, 62540), (2120, 61183), (2360, 54961), (2440, 53159), (3127, 41480), (3233, 40120), (3599, 36040), (3604, 35990), (4012, 32330), (4148, 31270), (4505, 28792), (5015, 25864), (5185, 25016), (6254, 20740), (6466, 20060), (7198, 18020), (7208, 17995), (8024, 16165), (8296, 15635), (9010, 14396), (10030, 12932), (10370, 12508)]