40939290

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{21661}}^1$

素因数の和:21684

約数の個数: 64

約数和(自身を含む): 124773120

約数和(自身を除く): 83833830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 21661, 43322, 64983, 108305, 129966, 151627, 194949, 216610, 303254, 324915, 389898, 454881, 584847, 649830, 758135, 909762, 974745, 1169694, 1364643, 1516270, 1949490, 2274405, 2729286, 2924235, 4093929, 4548810, 5848470, 6823215, 8187858, 13646430, 20469645, 40939290]

約数ペア:

[(1, 40939290), (2, 20469645), (3, 13646430), (5, 8187858), (6, 6823215), (7, 5848470), (9, 4548810), (10, 4093929), (14, 2924235), (15, 2729286), (18, 2274405), (21, 1949490), (27, 1516270), (30, 1364643), (35, 1169694), (42, 974745), (45, 909762), (54, 758135), (63, 649830), (70, 584847), (90, 454881), (105, 389898), (126, 324915), (135, 303254), (189, 216610), (210, 194949), (270, 151627), (315, 129966), (378, 108305), (630, 64983), (945, 43322), (1890, 21661)]