123252640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:307

約数の個数: 144

約数和(自身を含む): 344736000

約数和(自身を除く): 221483360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 160, 196, 199, 224, 245, 280, 316, 392, 395, 398, 490, 553, 560, 632, 784, 790, 796, 980, 995, 1106, 1120, 1264, 1393, 1568, 1580, 1592, 1960, 1990, 2212, 2528, 2765, 2786, 3160, 3184, 3871, 3920, 3980, 4424, 5530, 5572, 6320, 6368, 6965, 7742, 7840, 7960, 8848, 9751, 11060, 11144, 12640, 13930, 15484, 15721, 15920, 17696, 19355, 19502, 22120, 22288, 27860, 30968, 31442, 31840, 38710, 39004, 44240, 44576, 48755, 55720, 61936, 62884, 77420, 78008, 78605, 88480, 97510, 110047, 111440, 123872, 125768, 154840, 156016, 157210, 195020, 220094, 222880, 251536, 309680, 312032, 314420, 390040, 440188, 503072, 550235, 619360, 628840, 770329, 780080, 880376, 1100470, 1257680, 1540658, 1560160, 1760752, 2200940, 2515360, 3081316, 3521504, 3851645, 4401880, 6162632, 7703290, 8803760, 12325264, 15406580, 17607520, 24650528, 30813160, 61626320, 123252640]

約数ペア:

[(1, 123252640), (2, 61626320), (4, 30813160), (5, 24650528), (7, 17607520), (8, 15406580), (10, 12325264), (14, 8803760), (16, 7703290), (20, 6162632), (28, 4401880), (32, 3851645), (35, 3521504), (40, 3081316), (49, 2515360), (56, 2200940), (70, 1760752), (79, 1560160), (80, 1540658), (98, 1257680), (112, 1100470), (140, 880376), (158, 780080), (160, 770329), (196, 628840), (199, 619360), (224, 550235), (245, 503072), (280, 440188), (316, 390040), (392, 314420), (395, 312032), (398, 309680), (490, 251536), (553, 222880), (560, 220094), (632, 195020), (784, 157210), (790, 156016), (796, 154840), (980, 125768), (995, 123872), (1106, 111440), (1120, 110047), (1264, 97510), (1393, 88480), (1568, 78605), (1580, 78008), (1592, 77420), (1960, 62884), (1990, 61936), (2212, 55720), (2528, 48755), (2765, 44576), (2786, 44240), (3160, 39004), (3184, 38710), (3871, 31840), (3920, 31442), (3980, 30968), (4424, 27860), (5530, 22288), (5572, 22120), (6320, 19502), (6368, 19355), (6965, 17696), (7742, 15920), (7840, 15721), (7960, 15484), (8848, 13930), (9751, 12640), (11060, 11144)]