221105640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1272

約数の個数: 192

約数和(自身を含む): 797160960

約数和(自身を除く): 576055320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 49, 56, 60, 62, 70, 84, 93, 98, 105, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 245, 248, 280, 294, 310, 372, 392, 420, 434, 465, 490, 588, 620, 651, 735, 744, 840, 868, 930, 980, 1085, 1176, 1213, 1240, 1302, 1470, 1519, 1736, 1860, 1960, 2170, 2426, 2604, 2940, 3038, 3255, 3639, 3720, 4340, 4557, 4852, 5208, 5880, 6065, 6076, 6510, 7278, 7595, 8491, 8680, 9114, 9704, 12130, 12152, 13020, 14556, 15190, 16982, 18195, 18228, 22785, 24260, 25473, 26040, 29112, 30380, 33964, 36390, 36456, 37603, 42455, 45570, 48520, 50946, 59437, 60760, 67928, 72780, 75206, 84910, 91140, 101892, 112809, 118874, 127365, 145560, 150412, 169820, 178311, 182280, 188015, 203784, 225618, 237748, 254730, 263221, 297185, 300824, 339640, 356622, 376030, 451236, 475496, 509460, 526442, 564045, 594370, 713244, 752060, 789663, 891555, 902472, 1018920, 1052884, 1128090, 1188740, 1316105, 1426488, 1504120, 1579326, 1783110, 1842547, 2105768, 2256180, 2377480, 2632210, 3158652, 3566220, 3685094, 3948315, 4512360, 5264420, 5527641, 6317304, 7132440, 7370188, 7896630, 9212735, 10528840, 11055282, 14740376, 15793260, 18425470, 22110564, 27638205, 31586520, 36850940, 44221128, 55276410, 73701880, 110552820, 221105640]

約数ペア:

[(1, 221105640), (2, 110552820), (3, 73701880), (4, 55276410), (5, 44221128), (6, 36850940), (7, 31586520), (8, 27638205), (10, 22110564), (12, 18425470), (14, 15793260), (15, 14740376), (20, 11055282), (21, 10528840), (24, 9212735), (28, 7896630), (30, 7370188), (31, 7132440), (35, 6317304), (40, 5527641), (42, 5264420), (49, 4512360), (56, 3948315), (60, 3685094), (62, 3566220), (70, 3158652), (84, 2632210), (93, 2377480), (98, 2256180), (105, 2105768), (120, 1842547), (124, 1783110), (140, 1579326), (147, 1504120), (155, 1426488), (168, 1316105), (186, 1188740), (196, 1128090), (210, 1052884), (217, 1018920), (245, 902472), (248, 891555), (280, 789663), (294, 752060), (310, 713244), (372, 594370), (392, 564045), (420, 526442), (434, 509460), (465, 475496), (490, 451236), (588, 376030), (620, 356622), (651, 339640), (735, 300824), (744, 297185), (840, 263221), (868, 254730), (930, 237748), (980, 225618), (1085, 203784), (1176, 188015), (1213, 182280), (1240, 178311), (1302, 169820), (1470, 150412), (1519, 145560), (1736, 127365), (1860, 118874), (1960, 112809), (2170, 101892), (2426, 91140), (2604, 84910), (2940, 75206), (3038, 72780), (3255, 67928), (3639, 60760), (3720, 59437), (4340, 50946), (4557, 48520), (4852, 45570), (5208, 42455), (5880, 37603), (6065, 36456), (6076, 36390), (6510, 33964), (7278, 30380), (7595, 29112), (8491, 26040), (8680, 25473), (9114, 24260), (9704, 22785), (12130, 18228), (12152, 18195), (13020, 16982), (14556, 15190)]