398272680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1545

約数の個数: 256

約数和(自身を含む): 1505952000

約数和(自身を除く): 1107679320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 52, 54, 57, 60, 65, 72, 76, 78, 90, 95, 104, 108, 114, 117, 120, 130, 135, 152, 156, 171, 180, 190, 195, 216, 228, 234, 247, 260, 270, 285, 312, 342, 351, 360, 380, 390, 456, 468, 494, 513, 520, 540, 570, 585, 684, 702, 741, 760, 780, 855, 936, 988, 1026, 1080, 1140, 1170, 1235, 1368, 1404, 1482, 1493, 1560, 1710, 1755, 1976, 2052, 2223, 2280, 2340, 2470, 2565, 2808, 2964, 2986, 3420, 3510, 3705, 4104, 4446, 4479, 4680, 4940, 5130, 5928, 5972, 6669, 6840, 7020, 7410, 7465, 8892, 8958, 9880, 10260, 11115, 11944, 13338, 13437, 14040, 14820, 14930, 17784, 17916, 19409, 20520, 22230, 22395, 26676, 26874, 28367, 29640, 29860, 33345, 35832, 38818, 40311, 44460, 44790, 53352, 53748, 56734, 58227, 59720, 66690, 67185, 77636, 80622, 85101, 88920, 89580, 97045, 107496, 113468, 116454, 133380, 134370, 141835, 155272, 161244, 170202, 174681, 179160, 194090, 201555, 226936, 232908, 255303, 266760, 268740, 283670, 291135, 322488, 340404, 349362, 368771, 388180, 403110, 425505, 465816, 510606, 524043, 537480, 567340, 582270, 680808, 698724, 737542, 765909, 776360, 806220, 851010, 873405, 1021212, 1048086, 1106313, 1134680, 1164540, 1276515, 1397448, 1475084, 1531818, 1612440, 1702020, 1746810, 1843855, 2042424, 2096172, 2212626, 2329080, 2553030, 2620215, 2950168, 3063636, 3318939, 3404040, 3493620, 3687710, 3829545, 4192344, 4425252, 5106060, 5240430, 5531565, 6127272, 6637878, 6987240, 7375420, 7659090, 8850504, 9956817, 10212120, 10480860, 11063130, 13275756, 14750840, 15318180, 16594695, 19913634, 20961720, 22126260, 26551512, 30636360, 33189390, 39827268, 44252520, 49784085, 66378780, 79654536, 99568170, 132757560, 199136340, 398272680]

約数ペア:

[(1, 398272680), (2, 199136340), (3, 132757560), (4, 99568170), (5, 79654536), (6, 66378780), (8, 49784085), (9, 44252520), (10, 39827268), (12, 33189390), (13, 30636360), (15, 26551512), (18, 22126260), (19, 20961720), (20, 19913634), (24, 16594695), (26, 15318180), (27, 14750840), (30, 13275756), (36, 11063130), (38, 10480860), (39, 10212120), (40, 9956817), (45, 8850504), (52, 7659090), (54, 7375420), (57, 6987240), (60, 6637878), (65, 6127272), (72, 5531565), (76, 5240430), (78, 5106060), (90, 4425252), (95, 4192344), (104, 3829545), (108, 3687710), (114, 3493620), (117, 3404040), (120, 3318939), (130, 3063636), (135, 2950168), (152, 2620215), (156, 2553030), (171, 2329080), (180, 2212626), (190, 2096172), (195, 2042424), (216, 1843855), (228, 1746810), (234, 1702020), (247, 1612440), (260, 1531818), (270, 1475084), (285, 1397448), (312, 1276515), (342, 1164540), (351, 1134680), (360, 1106313), (380, 1048086), (390, 1021212), (456, 873405), (468, 851010), (494, 806220), (513, 776360), (520, 765909), (540, 737542), (570, 698724), (585, 680808), (684, 582270), (702, 567340), (741, 537480), (760, 524043), (780, 510606), (855, 465816), (936, 425505), (988, 403110), (1026, 388180), (1080, 368771), (1140, 349362), (1170, 340404), (1235, 322488), (1368, 291135), (1404, 283670), (1482, 268740), (1493, 266760), (1560, 255303), (1710, 232908), (1755, 226936), (1976, 201555), (2052, 194090), (2223, 179160), (2280, 174681), (2340, 170202), (2470, 161244), (2565, 155272), (2808, 141835), (2964, 134370), (2986, 133380), (3420, 116454), (3510, 113468), (3705, 107496), (4104, 97045), (4446, 89580), (4479, 88920), (4680, 85101), (4940, 80622), (5130, 77636), (5928, 67185), (5972, 66690), (6669, 59720), (6840, 58227), (7020, 56734), (7410, 53748), (7465, 53352), (8892, 44790), (8958, 44460), (9880, 40311), (10260, 38818), (11115, 35832), (11944, 33345), (13338, 29860), (13437, 29640), (14040, 28367), (14820, 26874), (14930, 26676), (17784, 22395), (17916, 22230), (19409, 20520)]