11801720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{373}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 30697920

約数和(自身を除く): 18896200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 373, 452, 565, 746, 791, 904, 1130, 1492, 1582, 1865, 2260, 2611, 2984, 3164, 3730, 3955, 4520, 5222, 6328, 7460, 7910, 10444, 13055, 14920, 15820, 20888, 26110, 31640, 42149, 52220, 84298, 104440, 168596, 210745, 295043, 337192, 421490, 590086, 842980, 1180172, 1475215, 1685960, 2360344, 2950430, 5900860, 11801720]

約数ペア:

[(1, 11801720), (2, 5900860), (4, 2950430), (5, 2360344), (7, 1685960), (8, 1475215), (10, 1180172), (14, 842980), (20, 590086), (28, 421490), (35, 337192), (40, 295043), (56, 210745), (70, 168596), (113, 104440), (140, 84298), (226, 52220), (280, 42149), (373, 31640), (452, 26110), (565, 20888), (746, 15820), (791, 14920), (904, 13055), (1130, 10444), (1492, 7910), (1582, 7460), (1865, 6328), (2260, 5222), (2611, 4520), (2984, 3955), (3164, 3730)]