217495320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:862

約数の個数: 192

約数和(自身を含む): 776148480

約数和(自身を除く): 558653160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 49, 56, 60, 70, 84, 94, 98, 105, 120, 140, 141, 147, 168, 188, 196, 210, 235, 245, 280, 282, 294, 329, 376, 392, 420, 470, 490, 564, 588, 658, 705, 735, 787, 840, 940, 980, 987, 1128, 1176, 1316, 1410, 1470, 1574, 1645, 1880, 1960, 1974, 2303, 2361, 2632, 2820, 2940, 3148, 3290, 3935, 3948, 4606, 4722, 4935, 5509, 5640, 5880, 6296, 6580, 6909, 7870, 7896, 9212, 9444, 9870, 11018, 11515, 11805, 13160, 13818, 15740, 16527, 18424, 18888, 19740, 22036, 23030, 23610, 27545, 27636, 31480, 33054, 34545, 36989, 38563, 39480, 44072, 46060, 47220, 55090, 55272, 66108, 69090, 73978, 77126, 82635, 92120, 94440, 110180, 110967, 115689, 132216, 138180, 147956, 154252, 165270, 184945, 192815, 220360, 221934, 231378, 258923, 276360, 295912, 308504, 330540, 369890, 385630, 443868, 462756, 517846, 554835, 578445, 661080, 739780, 771260, 776769, 887736, 925512, 1035692, 1109670, 1156890, 1294615, 1479560, 1542520, 1553538, 1812461, 2071384, 2219340, 2313780, 2589230, 3107076, 3624922, 3883845, 4438680, 4627560, 5178460, 5437383, 6214152, 7249844, 7767690, 9062305, 10356920, 10874766, 14499688, 15535380, 18124610, 21749532, 27186915, 31070760, 36249220, 43499064, 54373830, 72498440, 108747660, 217495320]

約数ペア:

[(1, 217495320), (2, 108747660), (3, 72498440), (4, 54373830), (5, 43499064), (6, 36249220), (7, 31070760), (8, 27186915), (10, 21749532), (12, 18124610), (14, 15535380), (15, 14499688), (20, 10874766), (21, 10356920), (24, 9062305), (28, 7767690), (30, 7249844), (35, 6214152), (40, 5437383), (42, 5178460), (47, 4627560), (49, 4438680), (56, 3883845), (60, 3624922), (70, 3107076), (84, 2589230), (94, 2313780), (98, 2219340), (105, 2071384), (120, 1812461), (140, 1553538), (141, 1542520), (147, 1479560), (168, 1294615), (188, 1156890), (196, 1109670), (210, 1035692), (235, 925512), (245, 887736), (280, 776769), (282, 771260), (294, 739780), (329, 661080), (376, 578445), (392, 554835), (420, 517846), (470, 462756), (490, 443868), (564, 385630), (588, 369890), (658, 330540), (705, 308504), (735, 295912), (787, 276360), (840, 258923), (940, 231378), (980, 221934), (987, 220360), (1128, 192815), (1176, 184945), (1316, 165270), (1410, 154252), (1470, 147956), (1574, 138180), (1645, 132216), (1880, 115689), (1960, 110967), (1974, 110180), (2303, 94440), (2361, 92120), (2632, 82635), (2820, 77126), (2940, 73978), (3148, 69090), (3290, 66108), (3935, 55272), (3948, 55090), (4606, 47220), (4722, 46060), (4935, 44072), (5509, 39480), (5640, 38563), (5880, 36989), (6296, 34545), (6580, 33054), (6909, 31480), (7870, 27636), (7896, 27545), (9212, 23610), (9444, 23030), (9870, 22036), (11018, 19740), (11515, 18888), (11805, 18424), (13160, 16527), (13818, 15740)]