161279820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:624

約数の個数: 144

約数和(自身を含む): 531410880

約数和(自身を除く): 370131060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 157, 180, 195, 234, 260, 314, 390, 439, 468, 471, 585, 628, 780, 785, 878, 942, 1170, 1317, 1413, 1570, 1756, 1884, 2041, 2195, 2340, 2355, 2634, 2826, 3140, 3951, 4082, 4390, 4710, 5268, 5652, 5707, 6123, 6585, 7065, 7902, 8164, 8780, 9420, 10205, 11414, 12246, 13170, 14130, 15804, 17121, 18369, 19755, 20410, 22828, 24492, 26340, 28260, 28535, 30615, 34242, 36738, 39510, 40820, 51363, 57070, 61230, 68484, 68923, 73476, 79020, 85605, 91845, 102726, 114140, 122460, 137846, 171210, 183690, 205452, 206769, 256815, 275692, 342420, 344615, 367380, 413538, 513630, 620307, 689230, 827076, 895999, 1027260, 1033845, 1240614, 1378460, 1791998, 2067690, 2481228, 2687997, 3101535, 3583996, 4135380, 4479995, 5375994, 6203070, 8063991, 8959990, 10751988, 12406140, 13439985, 16127982, 17919980, 26879970, 32255964, 40319955, 53759940, 80639910, 161279820]

約数ペア:

[(1, 161279820), (2, 80639910), (3, 53759940), (4, 40319955), (5, 32255964), (6, 26879970), (9, 17919980), (10, 16127982), (12, 13439985), (13, 12406140), (15, 10751988), (18, 8959990), (20, 8063991), (26, 6203070), (30, 5375994), (36, 4479995), (39, 4135380), (45, 3583996), (52, 3101535), (60, 2687997), (65, 2481228), (78, 2067690), (90, 1791998), (117, 1378460), (130, 1240614), (156, 1033845), (157, 1027260), (180, 895999), (195, 827076), (234, 689230), (260, 620307), (314, 513630), (390, 413538), (439, 367380), (468, 344615), (471, 342420), (585, 275692), (628, 256815), (780, 206769), (785, 205452), (878, 183690), (942, 171210), (1170, 137846), (1317, 122460), (1413, 114140), (1570, 102726), (1756, 91845), (1884, 85605), (2041, 79020), (2195, 73476), (2340, 68923), (2355, 68484), (2634, 61230), (2826, 57070), (3140, 51363), (3951, 40820), (4082, 39510), (4390, 36738), (4710, 34242), (5268, 30615), (5652, 28535), (5707, 28260), (6123, 26340), (6585, 24492), (7065, 22828), (7902, 20410), (8164, 19755), (8780, 18369), (9420, 17121), (10205, 15804), (11414, 14130), (12246, 13170)]