21819948080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1\times {\mathrm{3313}}^1$

素因数の和:3971

約数の個数: 160

約数和(自身を含む): 61147276800

約数和(自身を除く): 39327328720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 619, 665, 760, 1064, 1238, 1330, 1520, 2128, 2476, 2660, 3095, 3313, 4333, 4952, 5320, 6190, 6626, 8666, 9904, 10640, 11761, 12380, 13252, 16565, 17332, 21665, 23191, 23522, 24760, 26504, 33130, 34664, 43330, 46382, 47044, 49520, 53008, 58805, 62947, 66260, 69328, 82327, 86660, 92764, 94088, 115955, 117610, 125894, 132520, 164654, 173320, 185528, 188176, 231910, 235220, 251788, 265040, 314735, 329308, 346640, 371056, 411635, 440629, 463820, 470440, 503576, 629470, 658616, 823270, 881258, 927640, 940880, 1007152, 1258940, 1317232, 1646540, 1762516, 1855280, 2050747, 2203145, 2517880, 3293080, 3525032, 4101494, 4406290, 5035760, 6586160, 7050064, 8202988, 8812580, 10253735, 14355229, 16405976, 17625160, 20507470, 28710458, 32811952, 35250320, 38964193, 41014940, 57420916, 71776145, 77928386, 82029880, 114841832, 143552290, 155856772, 164059760, 194820965, 229683664, 272749351, 287104580, 311713544, 389641930, 545498702, 574209160, 623427088, 779283860, 1090997404, 1148418320, 1363746755, 1558567720, 2181994808, 2727493510, 3117135440, 4363989616, 5454987020, 10909974040, 21819948080]

約数ペア:

[(1, 21819948080), (2, 10909974040), (4, 5454987020), (5, 4363989616), (7, 3117135440), (8, 2727493510), (10, 2181994808), (14, 1558567720), (16, 1363746755), (19, 1148418320), (20, 1090997404), (28, 779283860), (35, 623427088), (38, 574209160), (40, 545498702), (56, 389641930), (70, 311713544), (76, 287104580), (80, 272749351), (95, 229683664), (112, 194820965), (133, 164059760), (140, 155856772), (152, 143552290), (190, 114841832), (266, 82029880), (280, 77928386), (304, 71776145), (380, 57420916), (532, 41014940), (560, 38964193), (619, 35250320), (665, 32811952), (760, 28710458), (1064, 20507470), (1238, 17625160), (1330, 16405976), (1520, 14355229), (2128, 10253735), (2476, 8812580), (2660, 8202988), (3095, 7050064), (3313, 6586160), (4333, 5035760), (4952, 4406290), (5320, 4101494), (6190, 3525032), (6626, 3293080), (8666, 2517880), (9904, 2203145), (10640, 2050747), (11761, 1855280), (12380, 1762516), (13252, 1646540), (16565, 1317232), (17332, 1258940), (21665, 1007152), (23191, 940880), (23522, 927640), (24760, 881258), (26504, 823270), (33130, 658616), (34664, 629470), (43330, 503576), (46382, 470440), (47044, 463820), (49520, 440629), (53008, 411635), (58805, 371056), (62947, 346640), (66260, 329308), (69328, 314735), (82327, 265040), (86660, 251788), (92764, 235220), (94088, 231910), (115955, 188176), (117610, 185528), (125894, 173320), (132520, 164654)]