221518440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{331}}^1$

素因数の和:385

約数の個数: 288

約数和(自身を含む): 853014240

約数和(自身を除く): 631495800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 52, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 156, 165, 169, 180, 195, 198, 220, 234, 260, 264, 286, 312, 330, 331, 338, 360, 390, 396, 429, 440, 468, 495, 507, 520, 572, 585, 660, 662, 676, 715, 780, 792, 845, 858, 936, 990, 993, 1014, 1144, 1170, 1287, 1320, 1324, 1352, 1430, 1521, 1560, 1655, 1690, 1716, 1859, 1980, 1986, 2028, 2145, 2340, 2535, 2574, 2648, 2860, 2979, 3042, 3310, 3380, 3432, 3641, 3718, 3960, 3972, 4056, 4290, 4303, 4680, 4965, 5070, 5148, 5577, 5720, 5958, 6084, 6435, 6620, 6760, 7282, 7436, 7605, 7944, 8580, 8606, 9295, 9930, 10140, 10296, 10923, 11154, 11916, 12168, 12870, 12909, 13240, 14564, 14872, 14895, 15210, 16731, 17160, 17212, 18205, 18590, 19860, 20280, 21515, 21846, 22308, 23832, 25740, 25818, 27885, 29128, 29790, 30420, 32769, 33462, 34424, 36410, 37180, 38727, 39720, 43030, 43692, 44616, 47333, 51480, 51636, 54615, 55770, 55939, 59580, 60840, 64545, 65538, 66924, 72820, 74360, 77454, 83655, 86060, 87384, 94666, 103272, 109230, 111540, 111878, 119160, 129090, 131076, 133848, 141999, 145640, 154908, 163845, 167310, 167817, 172120, 189332, 193635, 218460, 223080, 223756, 236665, 258180, 262152, 279695, 283998, 309816, 327690, 334620, 335634, 378664, 387270, 425997, 436920, 447512, 473330, 503451, 516360, 559390, 567996, 615329, 655380, 669240, 671268, 709995, 774540, 839085, 851994, 946660, 1006902, 1118780, 1135992, 1230658, 1310760, 1342536, 1419990, 1549080, 1678170, 1703988, 1845987, 1893320, 2013804, 2129985, 2237560, 2461316, 2517255, 2839980, 3076645, 3356340, 3407976, 3691974, 4027608, 4259970, 4922632, 5034510, 5537961, 5679960, 6153290, 6712680, 7383948, 8519940, 9229935, 10069020, 11075922, 12306580, 14767896, 17039880, 18459870, 20138040, 22151844, 24613160, 27689805, 36919740, 44303688, 55379610, 73839480, 110759220, 221518440]

約数ペア:

[(1, 221518440), (2, 110759220), (3, 73839480), (4, 55379610), (5, 44303688), (6, 36919740), (8, 27689805), (9, 24613160), (10, 22151844), (11, 20138040), (12, 18459870), (13, 17039880), (15, 14767896), (18, 12306580), (20, 11075922), (22, 10069020), (24, 9229935), (26, 8519940), (30, 7383948), (33, 6712680), (36, 6153290), (39, 5679960), (40, 5537961), (44, 5034510), (45, 4922632), (52, 4259970), (55, 4027608), (60, 3691974), (65, 3407976), (66, 3356340), (72, 3076645), (78, 2839980), (88, 2517255), (90, 2461316), (99, 2237560), (104, 2129985), (110, 2013804), (117, 1893320), (120, 1845987), (130, 1703988), (132, 1678170), (143, 1549080), (156, 1419990), (165, 1342536), (169, 1310760), (180, 1230658), (195, 1135992), (198, 1118780), (220, 1006902), (234, 946660), (260, 851994), (264, 839085), (286, 774540), (312, 709995), (330, 671268), (331, 669240), (338, 655380), (360, 615329), (390, 567996), (396, 559390), (429, 516360), (440, 503451), (468, 473330), (495, 447512), (507, 436920), (520, 425997), (572, 387270), (585, 378664), (660, 335634), (662, 334620), (676, 327690), (715, 309816), (780, 283998), (792, 279695), (845, 262152), (858, 258180), (936, 236665), (990, 223756), (993, 223080), (1014, 218460), (1144, 193635), (1170, 189332), (1287, 172120), (1320, 167817), (1324, 167310), (1352, 163845), (1430, 154908), (1521, 145640), (1560, 141999), (1655, 133848), (1690, 131076), (1716, 129090), (1859, 119160), (1980, 111878), (1986, 111540), (2028, 109230), (2145, 103272), (2340, 94666), (2535, 87384), (2574, 86060), (2648, 83655), (2860, 77454), (2979, 74360), (3042, 72820), (3310, 66924), (3380, 65538), (3432, 64545), (3641, 60840), (3718, 59580), (3960, 55939), (3972, 55770), (4056, 54615), (4290, 51636), (4303, 51480), (4680, 47333), (4965, 44616), (5070, 43692), (5148, 43030), (5577, 39720), (5720, 38727), (5958, 37180), (6084, 36410), (6435, 34424), (6620, 33462), (6760, 32769), (7282, 30420), (7436, 29790), (7605, 29128), (7944, 27885), (8580, 25818), (8606, 25740), (9295, 23832), (9930, 22308), (10140, 21846), (10296, 21515), (10923, 20280), (11154, 19860), (11916, 18590), (12168, 18205), (12870, 17212), (12909, 17160), (13240, 16731), (14564, 15210), (14872, 14895)]