64213920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2347}}^1$

素因数の和:2387

約数の個数: 144

約数和(自身を含む): 230761440

約数和(自身を除く): 166547520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2347, 2736, 3040, 3420, 4560, 4694, 5472, 6840, 7041, 9120, 9388, 11735, 13680, 14082, 18776, 21123, 23470, 27360, 28164, 35205, 37552, 42246, 44593, 46940, 56328, 70410, 75104, 84492, 89186, 93880, 105615, 112656, 133779, 140820, 168984, 178372, 187760, 211230, 222965, 225312, 267558, 281640, 337968, 356744, 375520, 401337, 422460, 445930, 535116, 563280, 668895, 675936, 713488, 802674, 844920, 891860, 1070232, 1126560, 1337790, 1426976, 1605348, 1689840, 1783720, 2006685, 2140464, 2675580, 3210696, 3379680, 3567440, 4013370, 4280928, 5351160, 6421392, 7134880, 8026740, 10702320, 12842784, 16053480, 21404640, 32106960, 64213920]

約数ペア:

[(1, 64213920), (2, 32106960), (3, 21404640), (4, 16053480), (5, 12842784), (6, 10702320), (8, 8026740), (9, 7134880), (10, 6421392), (12, 5351160), (15, 4280928), (16, 4013370), (18, 3567440), (19, 3379680), (20, 3210696), (24, 2675580), (30, 2140464), (32, 2006685), (36, 1783720), (38, 1689840), (40, 1605348), (45, 1426976), (48, 1337790), (57, 1126560), (60, 1070232), (72, 891860), (76, 844920), (80, 802674), (90, 713488), (95, 675936), (96, 668895), (114, 563280), (120, 535116), (144, 445930), (152, 422460), (160, 401337), (171, 375520), (180, 356744), (190, 337968), (228, 281640), (240, 267558), (285, 225312), (288, 222965), (304, 211230), (342, 187760), (360, 178372), (380, 168984), (456, 140820), (480, 133779), (570, 112656), (608, 105615), (684, 93880), (720, 89186), (760, 84492), (855, 75104), (912, 70410), (1140, 56328), (1368, 46940), (1440, 44593), (1520, 42246), (1710, 37552), (1824, 35205), (2280, 28164), (2347, 27360), (2736, 23470), (3040, 21123), (3420, 18776), (4560, 14082), (4694, 13680), (5472, 11735), (6840, 9388), (7041, 9120)]