71531460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:443

約数の個数: 288

約数和(自身を含む): 292061952

約数和(自身を除く): 220530492

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 26, 28, 30, 33, 35, 36, 39, 42, 44, 45, 52, 55, 60, 63, 65, 66, 70, 77, 78, 84, 90, 91, 99, 105, 110, 117, 126, 130, 132, 140, 143, 154, 156, 165, 180, 182, 195, 198, 210, 220, 231, 234, 252, 260, 273, 286, 308, 315, 330, 364, 385, 390, 396, 397, 420, 429, 455, 462, 468, 495, 546, 572, 585, 630, 660, 693, 715, 770, 780, 794, 819, 858, 910, 924, 990, 1001, 1092, 1155, 1170, 1191, 1260, 1287, 1365, 1386, 1430, 1540, 1588, 1638, 1716, 1820, 1980, 1985, 2002, 2145, 2310, 2340, 2382, 2574, 2730, 2772, 2779, 2860, 3003, 3276, 3465, 3573, 3970, 4004, 4095, 4290, 4367, 4620, 4764, 5005, 5148, 5161, 5460, 5558, 5955, 6006, 6435, 6930, 7146, 7940, 8190, 8337, 8580, 8734, 9009, 10010, 10322, 11116, 11910, 12012, 12870, 13101, 13860, 13895, 14292, 15015, 15483, 16380, 16674, 17468, 17865, 18018, 20020, 20644, 21835, 23820, 25011, 25740, 25805, 26202, 27790, 30030, 30569, 30966, 33348, 35730, 36036, 36127, 39303, 41685, 43670, 45045, 46449, 50022, 51610, 52404, 55580, 56771, 60060, 61138, 61932, 65505, 71460, 72254, 77415, 78606, 83370, 87340, 90090, 91707, 92898, 100044, 103220, 108381, 113542, 122276, 125055, 131010, 144508, 152845, 154830, 157212, 166740, 170313, 180180, 180635, 183414, 185796, 196515, 216762, 227084, 232245, 250110, 262020, 275121, 283855, 305690, 309660, 325143, 340626, 361270, 366828, 393030, 397397, 433524, 458535, 464490, 500220, 510939, 541905, 550242, 567710, 611380, 650286, 681252, 722540, 786060, 794794, 851565, 917070, 928980, 1021878, 1083810, 1100484, 1135420, 1192191, 1300572, 1375605, 1589588, 1625715, 1703130, 1834140, 1986985, 2043756, 2167620, 2384382, 2554695, 2751210, 3251430, 3406260, 3576573, 3973970, 4768764, 5109390, 5502420, 5960955, 6502860, 7153146, 7947940, 10218780, 11921910, 14306292, 17882865, 23843820, 35765730, 71531460]

約数ペア:

[(1, 71531460), (2, 35765730), (3, 23843820), (4, 17882865), (5, 14306292), (6, 11921910), (7, 10218780), (9, 7947940), (10, 7153146), (11, 6502860), (12, 5960955), (13, 5502420), (14, 5109390), (15, 4768764), (18, 3973970), (20, 3576573), (21, 3406260), (22, 3251430), (26, 2751210), (28, 2554695), (30, 2384382), (33, 2167620), (35, 2043756), (36, 1986985), (39, 1834140), (42, 1703130), (44, 1625715), (45, 1589588), (52, 1375605), (55, 1300572), (60, 1192191), (63, 1135420), (65, 1100484), (66, 1083810), (70, 1021878), (77, 928980), (78, 917070), (84, 851565), (90, 794794), (91, 786060), (99, 722540), (105, 681252), (110, 650286), (117, 611380), (126, 567710), (130, 550242), (132, 541905), (140, 510939), (143, 500220), (154, 464490), (156, 458535), (165, 433524), (180, 397397), (182, 393030), (195, 366828), (198, 361270), (210, 340626), (220, 325143), (231, 309660), (234, 305690), (252, 283855), (260, 275121), (273, 262020), (286, 250110), (308, 232245), (315, 227084), (330, 216762), (364, 196515), (385, 185796), (390, 183414), (396, 180635), (397, 180180), (420, 170313), (429, 166740), (455, 157212), (462, 154830), (468, 152845), (495, 144508), (546, 131010), (572, 125055), (585, 122276), (630, 113542), (660, 108381), (693, 103220), (715, 100044), (770, 92898), (780, 91707), (794, 90090), (819, 87340), (858, 83370), (910, 78606), (924, 77415), (990, 72254), (1001, 71460), (1092, 65505), (1155, 61932), (1170, 61138), (1191, 60060), (1260, 56771), (1287, 55580), (1365, 52404), (1386, 51610), (1430, 50022), (1540, 46449), (1588, 45045), (1638, 43670), (1716, 41685), (1820, 39303), (1980, 36127), (1985, 36036), (2002, 35730), (2145, 33348), (2310, 30966), (2340, 30569), (2382, 30030), (2574, 27790), (2730, 26202), (2772, 25805), (2779, 25740), (2860, 25011), (3003, 23820), (3276, 21835), (3465, 20644), (3573, 20020), (3970, 18018), (4004, 17865), (4095, 17468), (4290, 16674), (4367, 16380), (4620, 15483), (4764, 15015), (5005, 14292), (5148, 13895), (5161, 13860), (5460, 13101), (5558, 12870), (5955, 12012), (6006, 11910), (6435, 11116), (6930, 10322), (7146, 10010), (7940, 9009), (8190, 8734), (8337, 8580)]