19909980240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1\times {\mathrm{2003}}^1$

素因数の和:2601

約数の個数: 160

約数和(自身を含む): 62620992000

約数和(自身を除く): 42711011760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 83, 120, 166, 240, 249, 332, 415, 498, 499, 664, 830, 996, 998, 1245, 1328, 1497, 1660, 1992, 1996, 2003, 2490, 2495, 2994, 3320, 3984, 3992, 4006, 4980, 4990, 5988, 6009, 6640, 7485, 7984, 8012, 9960, 9980, 10015, 11976, 12018, 14970, 16024, 19920, 19960, 20030, 23952, 24036, 29940, 30045, 32048, 39920, 40060, 41417, 48072, 59880, 60090, 80120, 82834, 96144, 119760, 120180, 124251, 160240, 165668, 166249, 207085, 240360, 248502, 331336, 332498, 414170, 480720, 497004, 498747, 621255, 662672, 664996, 828340, 831245, 994008, 997494, 999497, 1242510, 1329992, 1656680, 1662490, 1988016, 1994988, 1998994, 2485020, 2493735, 2659984, 2998491, 3313360, 3324980, 3989976, 3997988, 4970040, 4987470, 4997485, 5996982, 6649960, 7979952, 7995976, 9940080, 9974940, 9994970, 11993964, 13299920, 14992455, 15991952, 19949880, 19989940, 23987928, 29984910, 39899760, 39979880, 47975856, 59969820, 79959760, 82958251, 119939640, 165916502, 239879280, 248874753, 331833004, 414791255, 497749506, 663666008, 829582510, 995499012, 1244373765, 1327332016, 1659165020, 1990998024, 2488747530, 3318330040, 3981996048, 4977495060, 6636660080, 9954990120, 19909980240]

約数ペア:

[(1, 19909980240), (2, 9954990120), (3, 6636660080), (4, 4977495060), (5, 3981996048), (6, 3318330040), (8, 2488747530), (10, 1990998024), (12, 1659165020), (15, 1327332016), (16, 1244373765), (20, 995499012), (24, 829582510), (30, 663666008), (40, 497749506), (48, 414791255), (60, 331833004), (80, 248874753), (83, 239879280), (120, 165916502), (166, 119939640), (240, 82958251), (249, 79959760), (332, 59969820), (415, 47975856), (498, 39979880), (499, 39899760), (664, 29984910), (830, 23987928), (996, 19989940), (998, 19949880), (1245, 15991952), (1328, 14992455), (1497, 13299920), (1660, 11993964), (1992, 9994970), (1996, 9974940), (2003, 9940080), (2490, 7995976), (2495, 7979952), (2994, 6649960), (3320, 5996982), (3984, 4997485), (3992, 4987470), (4006, 4970040), (4980, 3997988), (4990, 3989976), (5988, 3324980), (6009, 3313360), (6640, 2998491), (7485, 2659984), (7984, 2493735), (8012, 2485020), (9960, 1998994), (9980, 1994988), (10015, 1988016), (11976, 1662490), (12018, 1656680), (14970, 1329992), (16024, 1242510), (19920, 999497), (19960, 997494), (20030, 994008), (23952, 831245), (24036, 828340), (29940, 664996), (30045, 662672), (32048, 621255), (39920, 498747), (40060, 497004), (41417, 480720), (48072, 414170), (59880, 332498), (60090, 331336), (80120, 248502), (82834, 240360), (96144, 207085), (119760, 166249), (120180, 165668), (124251, 160240)]