205384920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 192

約数和(自身を含む): 690651360

約数和(自身を除く): 485266440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 137, 155, 156, 186, 195, 248, 260, 274, 310, 312, 372, 390, 403, 411, 465, 520, 548, 620, 685, 744, 780, 806, 822, 930, 961, 1096, 1209, 1240, 1370, 1560, 1612, 1644, 1781, 1860, 1922, 2015, 2055, 2418, 2740, 2883, 3224, 3288, 3562, 3720, 3844, 4030, 4110, 4247, 4805, 4836, 5343, 5480, 5766, 6045, 7124, 7688, 8060, 8220, 8494, 8905, 9610, 9672, 10686, 11532, 12090, 12493, 12741, 14248, 14415, 16120, 16440, 16988, 17810, 19220, 21235, 21372, 23064, 24180, 24986, 25482, 26715, 28830, 33976, 35620, 37479, 38440, 42470, 42744, 48360, 49972, 50964, 53430, 55211, 57660, 62465, 63705, 71240, 74958, 84940, 99944, 101928, 106860, 110422, 115320, 124930, 127410, 131657, 149916, 165633, 169880, 187395, 213720, 220844, 249860, 254820, 263314, 276055, 299832, 331266, 374790, 394971, 441688, 499720, 509640, 526628, 552110, 658285, 662532, 749580, 789942, 828165, 1053256, 1104220, 1316570, 1325064, 1499160, 1579884, 1656330, 1711541, 1974855, 2208440, 2633140, 3159768, 3312660, 3423082, 3949710, 5134623, 5266280, 6625320, 6846164, 7899420, 8557705, 10269246, 13692328, 15798840, 17115410, 20538492, 25673115, 34230820, 41076984, 51346230, 68461640, 102692460, 205384920]

約数ペア:

[(1, 205384920), (2, 102692460), (3, 68461640), (4, 51346230), (5, 41076984), (6, 34230820), (8, 25673115), (10, 20538492), (12, 17115410), (13, 15798840), (15, 13692328), (20, 10269246), (24, 8557705), (26, 7899420), (30, 6846164), (31, 6625320), (39, 5266280), (40, 5134623), (52, 3949710), (60, 3423082), (62, 3312660), (65, 3159768), (78, 2633140), (93, 2208440), (104, 1974855), (120, 1711541), (124, 1656330), (130, 1579884), (137, 1499160), (155, 1325064), (156, 1316570), (186, 1104220), (195, 1053256), (248, 828165), (260, 789942), (274, 749580), (310, 662532), (312, 658285), (372, 552110), (390, 526628), (403, 509640), (411, 499720), (465, 441688), (520, 394971), (548, 374790), (620, 331266), (685, 299832), (744, 276055), (780, 263314), (806, 254820), (822, 249860), (930, 220844), (961, 213720), (1096, 187395), (1209, 169880), (1240, 165633), (1370, 149916), (1560, 131657), (1612, 127410), (1644, 124930), (1781, 115320), (1860, 110422), (1922, 106860), (2015, 101928), (2055, 99944), (2418, 84940), (2740, 74958), (2883, 71240), (3224, 63705), (3288, 62465), (3562, 57660), (3720, 55211), (3844, 53430), (4030, 50964), (4110, 49972), (4247, 48360), (4805, 42744), (4836, 42470), (5343, 38440), (5480, 37479), (5766, 35620), (6045, 33976), (7124, 28830), (7688, 26715), (8060, 25482), (8220, 24986), (8494, 24180), (8905, 23064), (9610, 21372), (9672, 21235), (10686, 19220), (11532, 17810), (12090, 16988), (12493, 16440), (12741, 16120), (14248, 14415)]