905877180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:445

約数の個数: 216

約数和(自身を含む): 3015924912

約数和(自身を除く): 2110047732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 97, 117, 130, 156, 169, 180, 194, 195, 234, 260, 291, 307, 338, 388, 390, 468, 485, 507, 582, 585, 614, 676, 780, 845, 873, 921, 970, 1014, 1164, 1170, 1228, 1261, 1455, 1521, 1535, 1690, 1746, 1842, 1940, 2028, 2340, 2522, 2535, 2763, 2910, 3042, 3070, 3380, 3492, 3684, 3783, 3991, 4365, 4605, 5044, 5070, 5526, 5820, 6084, 6140, 6305, 7566, 7605, 7982, 8730, 9210, 10140, 11052, 11349, 11973, 12610, 13815, 15132, 15210, 15964, 16393, 17460, 18420, 18915, 19955, 22698, 23946, 25220, 27630, 29779, 30420, 32786, 35919, 37830, 39910, 45396, 47892, 49179, 51883, 55260, 56745, 59558, 59865, 65572, 71838, 75660, 79820, 81965, 89337, 98358, 103766, 113490, 119116, 119730, 143676, 147537, 148895, 155649, 163930, 178674, 179595, 196716, 207532, 226980, 239460, 245895, 259415, 268011, 295074, 297790, 311298, 327860, 357348, 359190, 387127, 446685, 466947, 491790, 518830, 536022, 590148, 595580, 622596, 718380, 737685, 774254, 778245, 893370, 933894, 983580, 1037660, 1072044, 1161381, 1340055, 1475370, 1548508, 1556490, 1786740, 1867788, 1935635, 2322762, 2334735, 2680110, 2950740, 3112980, 3484143, 3871270, 4645524, 4669470, 5032651, 5360220, 5806905, 6968286, 7742540, 9338940, 10065302, 11613810, 13936572, 15097953, 17420715, 20130604, 23227620, 25163255, 30195906, 34841430, 45293859, 50326510, 60391812, 69682860, 75489765, 90587718, 100653020, 150979530, 181175436, 226469295, 301959060, 452938590, 905877180]

約数ペア:

[(1, 905877180), (2, 452938590), (3, 301959060), (4, 226469295), (5, 181175436), (6, 150979530), (9, 100653020), (10, 90587718), (12, 75489765), (13, 69682860), (15, 60391812), (18, 50326510), (20, 45293859), (26, 34841430), (30, 30195906), (36, 25163255), (39, 23227620), (45, 20130604), (52, 17420715), (60, 15097953), (65, 13936572), (78, 11613810), (90, 10065302), (97, 9338940), (117, 7742540), (130, 6968286), (156, 5806905), (169, 5360220), (180, 5032651), (194, 4669470), (195, 4645524), (234, 3871270), (260, 3484143), (291, 3112980), (307, 2950740), (338, 2680110), (388, 2334735), (390, 2322762), (468, 1935635), (485, 1867788), (507, 1786740), (582, 1556490), (585, 1548508), (614, 1475370), (676, 1340055), (780, 1161381), (845, 1072044), (873, 1037660), (921, 983580), (970, 933894), (1014, 893370), (1164, 778245), (1170, 774254), (1228, 737685), (1261, 718380), (1455, 622596), (1521, 595580), (1535, 590148), (1690, 536022), (1746, 518830), (1842, 491790), (1940, 466947), (2028, 446685), (2340, 387127), (2522, 359190), (2535, 357348), (2763, 327860), (2910, 311298), (3042, 297790), (3070, 295074), (3380, 268011), (3492, 259415), (3684, 245895), (3783, 239460), (3991, 226980), (4365, 207532), (4605, 196716), (5044, 179595), (5070, 178674), (5526, 163930), (5820, 155649), (6084, 148895), (6140, 147537), (6305, 143676), (7566, 119730), (7605, 119116), (7982, 113490), (8730, 103766), (9210, 98358), (10140, 89337), (11052, 81965), (11349, 79820), (11973, 75660), (12610, 71838), (13815, 65572), (15132, 59865), (15210, 59558), (15964, 56745), (16393, 55260), (17460, 51883), (18420, 49179), (18915, 47892), (19955, 45396), (22698, 39910), (23946, 37830), (25220, 35919), (27630, 32786), (29779, 30420)]