420810880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 256

約数和(自身を含む): 1233792000

約数和(自身を除く): 812981120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 41, 56, 58, 64, 70, 79, 80, 82, 112, 116, 128, 140, 145, 158, 160, 164, 203, 205, 224, 232, 280, 287, 290, 316, 320, 328, 395, 406, 410, 448, 464, 553, 560, 574, 580, 632, 640, 656, 790, 812, 820, 896, 928, 1015, 1106, 1120, 1148, 1160, 1189, 1264, 1312, 1435, 1580, 1624, 1640, 1856, 2030, 2212, 2240, 2291, 2296, 2320, 2378, 2528, 2624, 2765, 2870, 3160, 3239, 3248, 3280, 3712, 4060, 4424, 4480, 4582, 4592, 4640, 4756, 5056, 5248, 5530, 5740, 5945, 6320, 6478, 6496, 6560, 8120, 8323, 8848, 9164, 9184, 9280, 9512, 10112, 11060, 11455, 11480, 11890, 12640, 12956, 12992, 13120, 16037, 16195, 16240, 16646, 17696, 18328, 18368, 18560, 19024, 22120, 22673, 22910, 22960, 23780, 25280, 25912, 25984, 26240, 32074, 32390, 32480, 33292, 35392, 36656, 36736, 38048, 41615, 44240, 45346, 45820, 45920, 47560, 50560, 51824, 64148, 64780, 64960, 66584, 70784, 73312, 76096, 80185, 83230, 88480, 90692, 91640, 91840, 93931, 95120, 103648, 113365, 128296, 129560, 129920, 133168, 146624, 152192, 160370, 166460, 176960, 181384, 183280, 183680, 187862, 190240, 207296, 226730, 256592, 259120, 266336, 293248, 320740, 332920, 353920, 362768, 366560, 375724, 380480, 414592, 453460, 469655, 513184, 518240, 532672, 641480, 657517, 665840, 725536, 733120, 751448, 760960, 906920, 939310, 1026368, 1036480, 1065344, 1282960, 1315034, 1331680, 1451072, 1466240, 1502896, 1813840, 1878620, 2052736, 2072960, 2565920, 2630068, 2663360, 2902144, 3005792, 3287585, 3627680, 3757240, 5131840, 5260136, 5326720, 6011584, 6575170, 7255360, 7514480, 10263680, 10520272, 12023168, 13150340, 14510720, 15028960, 21040544, 26300680, 30057920, 42081088, 52601360, 60115840, 84162176, 105202720, 210405440, 420810880]

約数ペア:

[(1, 420810880), (2, 210405440), (4, 105202720), (5, 84162176), (7, 60115840), (8, 52601360), (10, 42081088), (14, 30057920), (16, 26300680), (20, 21040544), (28, 15028960), (29, 14510720), (32, 13150340), (35, 12023168), (40, 10520272), (41, 10263680), (56, 7514480), (58, 7255360), (64, 6575170), (70, 6011584), (79, 5326720), (80, 5260136), (82, 5131840), (112, 3757240), (116, 3627680), (128, 3287585), (140, 3005792), (145, 2902144), (158, 2663360), (160, 2630068), (164, 2565920), (203, 2072960), (205, 2052736), (224, 1878620), (232, 1813840), (280, 1502896), (287, 1466240), (290, 1451072), (316, 1331680), (320, 1315034), (328, 1282960), (395, 1065344), (406, 1036480), (410, 1026368), (448, 939310), (464, 906920), (553, 760960), (560, 751448), (574, 733120), (580, 725536), (632, 665840), (640, 657517), (656, 641480), (790, 532672), (812, 518240), (820, 513184), (896, 469655), (928, 453460), (1015, 414592), (1106, 380480), (1120, 375724), (1148, 366560), (1160, 362768), (1189, 353920), (1264, 332920), (1312, 320740), (1435, 293248), (1580, 266336), (1624, 259120), (1640, 256592), (1856, 226730), (2030, 207296), (2212, 190240), (2240, 187862), (2291, 183680), (2296, 183280), (2320, 181384), (2378, 176960), (2528, 166460), (2624, 160370), (2765, 152192), (2870, 146624), (3160, 133168), (3239, 129920), (3248, 129560), (3280, 128296), (3712, 113365), (4060, 103648), (4424, 95120), (4480, 93931), (4582, 91840), (4592, 91640), (4640, 90692), (4756, 88480), (5056, 83230), (5248, 80185), (5530, 76096), (5740, 73312), (5945, 70784), (6320, 66584), (6478, 64960), (6496, 64780), (6560, 64148), (8120, 51824), (8323, 50560), (8848, 47560), (9164, 45920), (9184, 45820), (9280, 45346), (9512, 44240), (10112, 41615), (11060, 38048), (11455, 36736), (11480, 36656), (11890, 35392), (12640, 33292), (12956, 32480), (12992, 32390), (13120, 32074), (16037, 26240), (16195, 25984), (16240, 25912), (16646, 25280), (17696, 23780), (18328, 22960), (18368, 22910), (18560, 22673), (19024, 22120)]