161988120

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{3061}}^1$

素因数の和:3095

約数の個数: 192

約数和(自身を含む): 628322400

約数和(自身を除く): 466334280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 360, 378, 392, 420, 441, 490, 504, 540, 588, 630, 735, 756, 840, 882, 945, 980, 1080, 1176, 1260, 1323, 1470, 1512, 1764, 1890, 1960, 2205, 2520, 2646, 2940, 3061, 3528, 3780, 4410, 5292, 5880, 6122, 6615, 7560, 8820, 9183, 10584, 12244, 13230, 15305, 17640, 18366, 21427, 24488, 26460, 27549, 30610, 36732, 42854, 45915, 52920, 55098, 61220, 64281, 73464, 82647, 85708, 91830, 107135, 110196, 122440, 128562, 137745, 149989, 165294, 171416, 183660, 192843, 214270, 220392, 257124, 275490, 299978, 321405, 330588, 367320, 385686, 413235, 428540, 449967, 514248, 550980, 578529, 599956, 642810, 661176, 749945, 771372, 826470, 857080, 899934, 964215, 1101960, 1157058, 1199912, 1285620, 1349901, 1499890, 1542744, 1652940, 1799868, 1928430, 2249835, 2314116, 2571240, 2699802, 2892645, 2999780, 3305880, 3599736, 3856860, 4049703, 4499670, 4628232, 5399604, 5785290, 5999560, 6749505, 7713720, 8099406, 8999340, 10799208, 11570580, 13499010, 16198812, 17998680, 20248515, 23141160, 26998020, 32397624, 40497030, 53996040, 80994060, 161988120]

約数ペア:

[(1, 161988120), (2, 80994060), (3, 53996040), (4, 40497030), (5, 32397624), (6, 26998020), (7, 23141160), (8, 20248515), (9, 17998680), (10, 16198812), (12, 13499010), (14, 11570580), (15, 10799208), (18, 8999340), (20, 8099406), (21, 7713720), (24, 6749505), (27, 5999560), (28, 5785290), (30, 5399604), (35, 4628232), (36, 4499670), (40, 4049703), (42, 3856860), (45, 3599736), (49, 3305880), (54, 2999780), (56, 2892645), (60, 2699802), (63, 2571240), (70, 2314116), (72, 2249835), (84, 1928430), (90, 1799868), (98, 1652940), (105, 1542744), (108, 1499890), (120, 1349901), (126, 1285620), (135, 1199912), (140, 1157058), (147, 1101960), (168, 964215), (180, 899934), (189, 857080), (196, 826470), (210, 771372), (216, 749945), (245, 661176), (252, 642810), (270, 599956), (280, 578529), (294, 550980), (315, 514248), (360, 449967), (378, 428540), (392, 413235), (420, 385686), (441, 367320), (490, 330588), (504, 321405), (540, 299978), (588, 275490), (630, 257124), (735, 220392), (756, 214270), (840, 192843), (882, 183660), (945, 171416), (980, 165294), (1080, 149989), (1176, 137745), (1260, 128562), (1323, 122440), (1470, 110196), (1512, 107135), (1764, 91830), (1890, 85708), (1960, 82647), (2205, 73464), (2520, 64281), (2646, 61220), (2940, 55098), (3061, 52920), (3528, 45915), (3780, 42854), (4410, 36732), (5292, 30610), (5880, 27549), (6122, 26460), (6615, 24488), (7560, 21427), (8820, 18366), (9183, 17640), (10584, 15305), (12244, 13230)]