1991828160

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{98801}}^1$

素因数の和:98831

約数の個数: 168

約数和(自身を含む): 7829860896

約数和(自身を除く): 5838032736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 20160, 98801, 197602, 296403, 395204, 494005, 592806, 691607, 790408, 889209, 988010, 1185612, 1383214, 1482015, 1580816, 1778418, 1976020, 2074821, 2371224, 2766428, 2964030, 3161632, 3458035, 3556836, 3952040, 4149642, 4446045, 4742448, 5532856, 5928060, 6224463, 6323264, 6916070, 7113672, 7904080, 8299284, 8892090, 9484896, 10374105, 11065712, 11856120, 12448926, 13832140, 14227344, 15808160, 16598568, 17784180, 18969792, 20748210, 22131424, 23712240, 24897852, 27664280, 28454688, 31122315, 31616320, 33197136, 35568360, 41496420, 44262848, 47424480, 49795704, 55328560, 56909376, 62244630, 66394272, 71136720, 82992840, 94848960, 99591408, 110657120, 124489260, 132788544, 142273440, 165985680, 199182816, 221314240, 248978520, 284546880, 331971360, 398365632, 497957040, 663942720, 995914080, 1991828160]

約数ペア:

[(1, 1991828160), (2, 995914080), (3, 663942720), (4, 497957040), (5, 398365632), (6, 331971360), (7, 284546880), (8, 248978520), (9, 221314240), (10, 199182816), (12, 165985680), (14, 142273440), (15, 132788544), (16, 124489260), (18, 110657120), (20, 99591408), (21, 94848960), (24, 82992840), (28, 71136720), (30, 66394272), (32, 62244630), (35, 56909376), (36, 55328560), (40, 49795704), (42, 47424480), (45, 44262848), (48, 41496420), (56, 35568360), (60, 33197136), (63, 31616320), (64, 31122315), (70, 28454688), (72, 27664280), (80, 24897852), (84, 23712240), (90, 22131424), (96, 20748210), (105, 18969792), (112, 17784180), (120, 16598568), (126, 15808160), (140, 14227344), (144, 13832140), (160, 12448926), (168, 11856120), (180, 11065712), (192, 10374105), (210, 9484896), (224, 8892090), (240, 8299284), (252, 7904080), (280, 7113672), (288, 6916070), (315, 6323264), (320, 6224463), (336, 5928060), (360, 5532856), (420, 4742448), (448, 4446045), (480, 4149642), (504, 3952040), (560, 3556836), (576, 3458035), (630, 3161632), (672, 2964030), (720, 2766428), (840, 2371224), (960, 2074821), (1008, 1976020), (1120, 1778418), (1260, 1580816), (1344, 1482015), (1440, 1383214), (1680, 1185612), (2016, 988010), (2240, 889209), (2520, 790408), (2880, 691607), (3360, 592806), (4032, 494005), (5040, 395204), (6720, 296403), (10080, 197602), (20160, 98801)]