64031240

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:404

約数の個数: 128

約数和(自身を含む): 181440000

約数和(自身を除く): 117408760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 343, 359, 364, 392, 455, 490, 520, 637, 686, 718, 728, 910, 980, 1274, 1372, 1436, 1715, 1795, 1820, 1960, 2513, 2548, 2744, 2872, 3185, 3430, 3590, 3640, 4459, 4667, 5026, 5096, 6370, 6860, 7180, 8918, 9334, 10052, 12565, 12740, 13720, 14360, 17591, 17836, 18668, 20104, 22295, 23335, 25130, 25480, 32669, 35182, 35672, 37336, 44590, 46670, 50260, 65338, 70364, 87955, 89180, 93340, 100520, 123137, 130676, 140728, 163345, 175910, 178360, 186680, 228683, 246274, 261352, 326690, 351820, 457366, 492548, 615685, 653380, 703640, 914732, 985096, 1143415, 1231370, 1306760, 1600781, 1829464, 2286830, 2462740, 3201562, 4573660, 4925480, 6403124, 8003905, 9147320, 12806248, 16007810, 32015620, 64031240]

約数ペア:

[(1, 64031240), (2, 32015620), (4, 16007810), (5, 12806248), (7, 9147320), (8, 8003905), (10, 6403124), (13, 4925480), (14, 4573660), (20, 3201562), (26, 2462740), (28, 2286830), (35, 1829464), (40, 1600781), (49, 1306760), (52, 1231370), (56, 1143415), (65, 985096), (70, 914732), (91, 703640), (98, 653380), (104, 615685), (130, 492548), (140, 457366), (182, 351820), (196, 326690), (245, 261352), (260, 246274), (280, 228683), (343, 186680), (359, 178360), (364, 175910), (392, 163345), (455, 140728), (490, 130676), (520, 123137), (637, 100520), (686, 93340), (718, 89180), (728, 87955), (910, 70364), (980, 65338), (1274, 50260), (1372, 46670), (1436, 44590), (1715, 37336), (1795, 35672), (1820, 35182), (1960, 32669), (2513, 25480), (2548, 25130), (2744, 23335), (2872, 22295), (3185, 20104), (3430, 18668), (3590, 17836), (3640, 17591), (4459, 14360), (4667, 13720), (5026, 12740), (5096, 12565), (6370, 10052), (6860, 9334), (7180, 8918)]