2990601960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1\times {\mathrm{1019}}^1$

素因数の和:1731

約数の個数: 128

約数和(自身を含む): 9237283200

約数和(自身を除く): 6246681240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 661, 740, 888, 1019, 1110, 1322, 1480, 1983, 2038, 2220, 2644, 3057, 3305, 3966, 4076, 4440, 5095, 5288, 6114, 6610, 7932, 8152, 9915, 10190, 12228, 13220, 15285, 15864, 19830, 20380, 24456, 24457, 26440, 30570, 37703, 39660, 40760, 48914, 61140, 73371, 75406, 79320, 97828, 113109, 122280, 122285, 146742, 150812, 188515, 195656, 226218, 244570, 293484, 301624, 366855, 377030, 452436, 489140, 565545, 586968, 673559, 733710, 754060, 904872, 978280, 1131090, 1347118, 1467420, 1508120, 2020677, 2262180, 2694236, 2934840, 3367795, 4041354, 4524360, 5388472, 6735590, 8082708, 10103385, 13471180, 16165416, 20206770, 24921683, 26942360, 40413540, 49843366, 74765049, 80827080, 99686732, 124608415, 149530098, 199373464, 249216830, 299060196, 373825245, 498433660, 598120392, 747650490, 996867320, 1495300980, 2990601960]

約数ペア:

[(1, 2990601960), (2, 1495300980), (3, 996867320), (4, 747650490), (5, 598120392), (6, 498433660), (8, 373825245), (10, 299060196), (12, 249216830), (15, 199373464), (20, 149530098), (24, 124608415), (30, 99686732), (37, 80827080), (40, 74765049), (60, 49843366), (74, 40413540), (111, 26942360), (120, 24921683), (148, 20206770), (185, 16165416), (222, 13471180), (296, 10103385), (370, 8082708), (444, 6735590), (555, 5388472), (661, 4524360), (740, 4041354), (888, 3367795), (1019, 2934840), (1110, 2694236), (1322, 2262180), (1480, 2020677), (1983, 1508120), (2038, 1467420), (2220, 1347118), (2644, 1131090), (3057, 978280), (3305, 904872), (3966, 754060), (4076, 733710), (4440, 673559), (5095, 586968), (5288, 565545), (6114, 489140), (6610, 452436), (7932, 377030), (8152, 366855), (9915, 301624), (10190, 293484), (12228, 244570), (13220, 226218), (15285, 195656), (15864, 188515), (19830, 150812), (20380, 146742), (24456, 122285), (24457, 122280), (26440, 113109), (30570, 97828), (37703, 79320), (39660, 75406), (40760, 73371), (48914, 61140)]