840407680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1259}}^1$

素因数の和:1434

約数の個数: 128

約数和(自身を含む): 2313360000

約数和(自身を除く): 1472952320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 149, 160, 224, 280, 298, 320, 448, 560, 596, 640, 745, 896, 1043, 1120, 1192, 1259, 1490, 2086, 2240, 2384, 2518, 2980, 4172, 4480, 4768, 5036, 5215, 5960, 6295, 8344, 8813, 9536, 10072, 10430, 11920, 12590, 16688, 17626, 19072, 20144, 20860, 23840, 25180, 33376, 35252, 40288, 41720, 44065, 47680, 50360, 66752, 70504, 80576, 83440, 88130, 95360, 100720, 133504, 141008, 161152, 166880, 176260, 187591, 201440, 282016, 333760, 352520, 375182, 402880, 564032, 667520, 705040, 750364, 805760, 937955, 1128064, 1313137, 1410080, 1500728, 1875910, 2626274, 2820160, 3001456, 3751820, 5252548, 5640320, 6002912, 6565685, 7503640, 10505096, 12005824, 13131370, 15007280, 21010192, 24011648, 26262740, 30014560, 42020384, 52525480, 60029120, 84040768, 105050960, 120058240, 168081536, 210101920, 420203840, 840407680]

約数ペア:

[(1, 840407680), (2, 420203840), (4, 210101920), (5, 168081536), (7, 120058240), (8, 105050960), (10, 84040768), (14, 60029120), (16, 52525480), (20, 42020384), (28, 30014560), (32, 26262740), (35, 24011648), (40, 21010192), (56, 15007280), (64, 13131370), (70, 12005824), (80, 10505096), (112, 7503640), (128, 6565685), (140, 6002912), (149, 5640320), (160, 5252548), (224, 3751820), (280, 3001456), (298, 2820160), (320, 2626274), (448, 1875910), (560, 1500728), (596, 1410080), (640, 1313137), (745, 1128064), (896, 937955), (1043, 805760), (1120, 750364), (1192, 705040), (1259, 667520), (1490, 564032), (2086, 402880), (2240, 375182), (2384, 352520), (2518, 333760), (2980, 282016), (4172, 201440), (4480, 187591), (4768, 176260), (5036, 166880), (5215, 161152), (5960, 141008), (6295, 133504), (8344, 100720), (8813, 95360), (9536, 88130), (10072, 83440), (10430, 80576), (11920, 70504), (12590, 66752), (16688, 50360), (17626, 47680), (19072, 44065), (20144, 41720), (20860, 40288), (23840, 35252), (25180, 33376)]