221325720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1409}}^1$

素因数の和:1458

約数の個数: 256

約数和(自身を含む): 877132800

約数和(自身を除く): 655807080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 17, 20, 21, 22, 24, 28, 30, 33, 34, 35, 40, 42, 44, 51, 55, 56, 60, 66, 68, 70, 77, 84, 85, 88, 102, 105, 110, 119, 120, 132, 136, 140, 154, 165, 168, 170, 187, 204, 210, 220, 231, 238, 255, 264, 280, 308, 330, 340, 357, 374, 385, 408, 420, 440, 462, 476, 510, 561, 595, 616, 660, 680, 714, 748, 770, 840, 924, 935, 952, 1020, 1122, 1155, 1190, 1309, 1320, 1409, 1428, 1496, 1540, 1785, 1848, 1870, 2040, 2244, 2310, 2380, 2618, 2805, 2818, 2856, 3080, 3570, 3740, 3927, 4227, 4488, 4620, 4760, 5236, 5610, 5636, 6545, 7045, 7140, 7480, 7854, 8454, 9240, 9863, 10472, 11220, 11272, 13090, 14090, 14280, 15499, 15708, 16908, 19635, 19726, 21135, 22440, 23953, 26180, 28180, 29589, 30998, 31416, 33816, 39270, 39452, 42270, 46497, 47906, 49315, 52360, 56360, 59178, 61996, 71859, 77495, 78540, 78904, 84540, 92994, 95812, 98630, 108493, 118356, 119765, 123992, 143718, 147945, 154990, 157080, 167671, 169080, 185988, 191624, 197260, 216986, 232485, 236712, 239530, 263483, 287436, 295890, 309980, 325479, 335342, 359295, 371976, 394520, 433972, 464970, 479060, 503013, 526966, 542465, 574872, 591780, 619960, 650958, 670684, 718590, 790449, 838355, 867944, 929940, 958120, 1006026, 1053932, 1084930, 1183560, 1301916, 1317415, 1341368, 1437180, 1580898, 1627395, 1676710, 1844381, 1859880, 2012052, 2107864, 2169860, 2515065, 2603832, 2634830, 2874360, 3161796, 3254790, 3353420, 3688762, 3952245, 4024104, 4339720, 5030130, 5269660, 5533143, 6323592, 6509580, 6706840, 7377524, 7904490, 9221905, 10060260, 10539320, 11066286, 13019160, 14755048, 15808980, 18443810, 20120520, 22132572, 27665715, 31617960, 36887620, 44265144, 55331430, 73775240, 110662860, 221325720]

約数ペア:

[(1, 221325720), (2, 110662860), (3, 73775240), (4, 55331430), (5, 44265144), (6, 36887620), (7, 31617960), (8, 27665715), (10, 22132572), (11, 20120520), (12, 18443810), (14, 15808980), (15, 14755048), (17, 13019160), (20, 11066286), (21, 10539320), (22, 10060260), (24, 9221905), (28, 7904490), (30, 7377524), (33, 6706840), (34, 6509580), (35, 6323592), (40, 5533143), (42, 5269660), (44, 5030130), (51, 4339720), (55, 4024104), (56, 3952245), (60, 3688762), (66, 3353420), (68, 3254790), (70, 3161796), (77, 2874360), (84, 2634830), (85, 2603832), (88, 2515065), (102, 2169860), (105, 2107864), (110, 2012052), (119, 1859880), (120, 1844381), (132, 1676710), (136, 1627395), (140, 1580898), (154, 1437180), (165, 1341368), (168, 1317415), (170, 1301916), (187, 1183560), (204, 1084930), (210, 1053932), (220, 1006026), (231, 958120), (238, 929940), (255, 867944), (264, 838355), (280, 790449), (308, 718590), (330, 670684), (340, 650958), (357, 619960), (374, 591780), (385, 574872), (408, 542465), (420, 526966), (440, 503013), (462, 479060), (476, 464970), (510, 433972), (561, 394520), (595, 371976), (616, 359295), (660, 335342), (680, 325479), (714, 309980), (748, 295890), (770, 287436), (840, 263483), (924, 239530), (935, 236712), (952, 232485), (1020, 216986), (1122, 197260), (1155, 191624), (1190, 185988), (1309, 169080), (1320, 167671), (1409, 157080), (1428, 154990), (1496, 147945), (1540, 143718), (1785, 123992), (1848, 119765), (1870, 118356), (2040, 108493), (2244, 98630), (2310, 95812), (2380, 92994), (2618, 84540), (2805, 78904), (2818, 78540), (2856, 77495), (3080, 71859), (3570, 61996), (3740, 59178), (3927, 56360), (4227, 52360), (4488, 49315), (4620, 47906), (4760, 46497), (5236, 42270), (5610, 39452), (5636, 39270), (6545, 33816), (7045, 31416), (7140, 30998), (7480, 29589), (7854, 28180), (8454, 26180), (9240, 23953), (9863, 22440), (10472, 21135), (11220, 19726), (11272, 19635), (13090, 16908), (14090, 15708), (14280, 15499)]