641611620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^2$

素因数の和:299

約数の個数: 216

約数和(自身を含む): 2236833144

約数和(自身を除く): 1595221524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 127, 130, 153, 156, 170, 180, 195, 204, 221, 234, 254, 255, 260, 306, 340, 381, 390, 442, 468, 508, 510, 585, 612, 635, 663, 762, 765, 780, 884, 1020, 1105, 1143, 1170, 1270, 1326, 1524, 1530, 1651, 1905, 1989, 2159, 2210, 2286, 2340, 2540, 2652, 3060, 3302, 3315, 3810, 3978, 4318, 4420, 4572, 4953, 5715, 6477, 6604, 6630, 7620, 7956, 8255, 8636, 9906, 9945, 10795, 11430, 12954, 13260, 14859, 16129, 16510, 19431, 19812, 19890, 21590, 22860, 24765, 25908, 28067, 29718, 32258, 32385, 33020, 38862, 39780, 43180, 48387, 49530, 56134, 59436, 64516, 64770, 74295, 77724, 80645, 84201, 96774, 97155, 99060, 112268, 129540, 140335, 145161, 148590, 161290, 168402, 193548, 194310, 209677, 241935, 252603, 274193, 280670, 290322, 297180, 322580, 336804, 388620, 419354, 421005, 483870, 505206, 548386, 561340, 580644, 629031, 725805, 822579, 838708, 842010, 967740, 1010412, 1048385, 1096772, 1258062, 1263015, 1370965, 1451610, 1645158, 1684020, 1887093, 2096770, 2467737, 2516124, 2526030, 2741930, 2903220, 3145155, 3290316, 3564509, 3774186, 4112895, 4193540, 4935474, 5052060, 5483860, 6290310, 7129018, 7548372, 8225790, 9435465, 9870948, 10693527, 12338685, 12580620, 14258036, 16451580, 17822545, 18870930, 21387054, 24677370, 32080581, 35645090, 37741860, 42774108, 49354740, 53467635, 64161162, 71290180, 106935270, 128322324, 160402905, 213870540, 320805810, 641611620]

約数ペア:

[(1, 641611620), (2, 320805810), (3, 213870540), (4, 160402905), (5, 128322324), (6, 106935270), (9, 71290180), (10, 64161162), (12, 53467635), (13, 49354740), (15, 42774108), (17, 37741860), (18, 35645090), (20, 32080581), (26, 24677370), (30, 21387054), (34, 18870930), (36, 17822545), (39, 16451580), (45, 14258036), (51, 12580620), (52, 12338685), (60, 10693527), (65, 9870948), (68, 9435465), (78, 8225790), (85, 7548372), (90, 7129018), (102, 6290310), (117, 5483860), (127, 5052060), (130, 4935474), (153, 4193540), (156, 4112895), (170, 3774186), (180, 3564509), (195, 3290316), (204, 3145155), (221, 2903220), (234, 2741930), (254, 2526030), (255, 2516124), (260, 2467737), (306, 2096770), (340, 1887093), (381, 1684020), (390, 1645158), (442, 1451610), (468, 1370965), (508, 1263015), (510, 1258062), (585, 1096772), (612, 1048385), (635, 1010412), (663, 967740), (762, 842010), (765, 838708), (780, 822579), (884, 725805), (1020, 629031), (1105, 580644), (1143, 561340), (1170, 548386), (1270, 505206), (1326, 483870), (1524, 421005), (1530, 419354), (1651, 388620), (1905, 336804), (1989, 322580), (2159, 297180), (2210, 290322), (2286, 280670), (2340, 274193), (2540, 252603), (2652, 241935), (3060, 209677), (3302, 194310), (3315, 193548), (3810, 168402), (3978, 161290), (4318, 148590), (4420, 145161), (4572, 140335), (4953, 129540), (5715, 112268), (6477, 99060), (6604, 97155), (6630, 96774), (7620, 84201), (7956, 80645), (8255, 77724), (8636, 74295), (9906, 64770), (9945, 64516), (10795, 59436), (11430, 56134), (12954, 49530), (13260, 48387), (14859, 43180), (16129, 39780), (16510, 38862), (19431, 33020), (19812, 32385), (19890, 32258), (21590, 29718), (22860, 28067), (24765, 25908)]