406687680

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{20173}}^1$

素因数の和:20203

約数の個数: 168

約数和(自身を含む): 1598749152

約数和(自身を除く): 1192061472

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 20160, 20173, 40346, 60519, 80692, 100865, 121038, 141211, 161384, 181557, 201730, 242076, 282422, 302595, 322768, 363114, 403460, 423633, 484152, 564844, 605190, 645536, 706055, 726228, 806920, 847266, 907785, 968304, 1129688, 1210380, 1270899, 1291072, 1412110, 1452456, 1613840, 1694532, 1815570, 1936608, 2118165, 2259376, 2420760, 2541798, 2824220, 2904912, 3227680, 3389064, 3631140, 3873216, 4236330, 4518752, 4841520, 5083596, 5648440, 5809824, 6354495, 6455360, 6778128, 7262280, 8472660, 9037504, 9683040, 10167192, 11296880, 11619648, 12708990, 13556256, 14524560, 16945320, 19366080, 20334384, 22593760, 25417980, 27112512, 29049120, 33890640, 40668768, 45187520, 50835960, 58098240, 67781280, 81337536, 101671920, 135562560, 203343840, 406687680]

約数ペア:

[(1, 406687680), (2, 203343840), (3, 135562560), (4, 101671920), (5, 81337536), (6, 67781280), (7, 58098240), (8, 50835960), (9, 45187520), (10, 40668768), (12, 33890640), (14, 29049120), (15, 27112512), (16, 25417980), (18, 22593760), (20, 20334384), (21, 19366080), (24, 16945320), (28, 14524560), (30, 13556256), (32, 12708990), (35, 11619648), (36, 11296880), (40, 10167192), (42, 9683040), (45, 9037504), (48, 8472660), (56, 7262280), (60, 6778128), (63, 6455360), (64, 6354495), (70, 5809824), (72, 5648440), (80, 5083596), (84, 4841520), (90, 4518752), (96, 4236330), (105, 3873216), (112, 3631140), (120, 3389064), (126, 3227680), (140, 2904912), (144, 2824220), (160, 2541798), (168, 2420760), (180, 2259376), (192, 2118165), (210, 1936608), (224, 1815570), (240, 1694532), (252, 1613840), (280, 1452456), (288, 1412110), (315, 1291072), (320, 1270899), (336, 1210380), (360, 1129688), (420, 968304), (448, 907785), (480, 847266), (504, 806920), (560, 726228), (576, 706055), (630, 645536), (672, 605190), (720, 564844), (840, 484152), (960, 423633), (1008, 403460), (1120, 363114), (1260, 322768), (1344, 302595), (1440, 282422), (1680, 242076), (2016, 201730), (2240, 181557), (2520, 161384), (2880, 141211), (3360, 121038), (4032, 100865), (5040, 80692), (6720, 60519), (10080, 40346), (20160, 20173)]