19938864060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{379}}^1\times {\mathrm{883}}^1$

素因数の和:1608

約数の個数: 144

約数和(自身を含む): 60892890240

約数和(自身を除く): 40954026180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 379, 662, 758, 883, 993, 1137, 1324, 1516, 1655, 1766, 1895, 1986, 2274, 2649, 2979, 3310, 3411, 3532, 3790, 3972, 4415, 4548, 4965, 5298, 5685, 5958, 6620, 6822, 7580, 7947, 8830, 9930, 10596, 11370, 11916, 13245, 13644, 14895, 15894, 17055, 17660, 19860, 22740, 26490, 29790, 31788, 34110, 39735, 52980, 59580, 68220, 79470, 125449, 158940, 250898, 292273, 334657, 376347, 501796, 584546, 627245, 669314, 752694, 876819, 1003971, 1129041, 1169092, 1254490, 1338628, 1461365, 1505388, 1673285, 1753638, 1881735, 2007942, 2258082, 2508980, 2630457, 2922730, 3011913, 3346570, 3507276, 3763470, 4015884, 4384095, 4516164, 5019855, 5260914, 5645205, 5845460, 6023826, 6693140, 7526940, 8768190, 10039710, 10521828, 11290410, 12047652, 13152285, 15059565, 17536380, 20079420, 22580820, 26304570, 30119130, 52609140, 60238260, 110771467, 221542934, 332314401, 443085868, 553857335, 664628802, 996943203, 1107714670, 1329257604, 1661572005, 1993886406, 2215429340, 3323144010, 3987772812, 4984716015, 6646288020, 9969432030, 19938864060]

約数ペア:

[(1, 19938864060), (2, 9969432030), (3, 6646288020), (4, 4984716015), (5, 3987772812), (6, 3323144010), (9, 2215429340), (10, 1993886406), (12, 1661572005), (15, 1329257604), (18, 1107714670), (20, 996943203), (30, 664628802), (36, 553857335), (45, 443085868), (60, 332314401), (90, 221542934), (180, 110771467), (331, 60238260), (379, 52609140), (662, 30119130), (758, 26304570), (883, 22580820), (993, 20079420), (1137, 17536380), (1324, 15059565), (1516, 13152285), (1655, 12047652), (1766, 11290410), (1895, 10521828), (1986, 10039710), (2274, 8768190), (2649, 7526940), (2979, 6693140), (3310, 6023826), (3411, 5845460), (3532, 5645205), (3790, 5260914), (3972, 5019855), (4415, 4516164), (4548, 4384095), (4965, 4015884), (5298, 3763470), (5685, 3507276), (5958, 3346570), (6620, 3011913), (6822, 2922730), (7580, 2630457), (7947, 2508980), (8830, 2258082), (9930, 2007942), (10596, 1881735), (11370, 1753638), (11916, 1673285), (13245, 1505388), (13644, 1461365), (14895, 1338628), (15894, 1254490), (17055, 1169092), (17660, 1129041), (19860, 1003971), (22740, 876819), (26490, 752694), (29790, 669314), (31788, 627245), (34110, 584546), (39735, 501796), (52980, 376347), (59580, 334657), (68220, 292273), (79470, 250898), (125449, 158940)]