287299740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7517}}^1$

素因数の和:7556

約数の個数: 144

約数和(自身を含む): 1007893152

約数和(自身を除く): 720593412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2548, 2730, 2940, 3185, 3822, 5460, 6370, 7517, 7644, 9555, 12740, 15034, 19110, 22551, 30068, 37585, 38220, 45102, 52619, 75170, 90204, 97721, 105238, 112755, 150340, 157857, 195442, 210476, 225510, 263095, 293163, 315714, 368333, 390884, 451020, 488605, 526190, 586326, 631428, 684047, 736666, 789285, 977210, 1052380, 1104999, 1172652, 1368094, 1465815, 1473332, 1578570, 1841665, 1954420, 2052141, 2209998, 2736188, 2931630, 3157140, 3420235, 3683330, 4104282, 4419996, 4788329, 5524995, 5863260, 6840470, 7366660, 8208564, 9576658, 10260705, 11049990, 13680940, 14364987, 19153316, 20521410, 22099980, 23941645, 28729974, 41042820, 47883290, 57459948, 71824935, 95766580, 143649870, 287299740]

約数ペア:

[(1, 287299740), (2, 143649870), (3, 95766580), (4, 71824935), (5, 57459948), (6, 47883290), (7, 41042820), (10, 28729974), (12, 23941645), (13, 22099980), (14, 20521410), (15, 19153316), (20, 14364987), (21, 13680940), (26, 11049990), (28, 10260705), (30, 9576658), (35, 8208564), (39, 7366660), (42, 6840470), (49, 5863260), (52, 5524995), (60, 4788329), (65, 4419996), (70, 4104282), (78, 3683330), (84, 3420235), (91, 3157140), (98, 2931630), (105, 2736188), (130, 2209998), (140, 2052141), (147, 1954420), (156, 1841665), (182, 1578570), (195, 1473332), (196, 1465815), (210, 1368094), (245, 1172652), (260, 1104999), (273, 1052380), (294, 977210), (364, 789285), (390, 736666), (420, 684047), (455, 631428), (490, 586326), (546, 526190), (588, 488605), (637, 451020), (735, 390884), (780, 368333), (910, 315714), (980, 293163), (1092, 263095), (1274, 225510), (1365, 210476), (1470, 195442), (1820, 157857), (1911, 150340), (2548, 112755), (2730, 105238), (2940, 97721), (3185, 90204), (3822, 75170), (5460, 52619), (6370, 45102), (7517, 38220), (7644, 37585), (9555, 30068), (12740, 22551), (15034, 19110)]