178800120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1597}}^1$

素因数の和:1925

約数の個数: 96

約数和(自身を含む): 583333920

約数和(自身を除く): 404533800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 311, 360, 622, 933, 1244, 1555, 1597, 1866, 2488, 2799, 3110, 3194, 3732, 4665, 4791, 5598, 6220, 6388, 7464, 7985, 9330, 9582, 11196, 12440, 12776, 13995, 14373, 15970, 18660, 19164, 22392, 23955, 27990, 28746, 31940, 37320, 38328, 47910, 55980, 57492, 63880, 71865, 95820, 111960, 114984, 143730, 191640, 287460, 496667, 574920, 993334, 1490001, 1986668, 2483335, 2980002, 3973336, 4470003, 4966670, 5960004, 7450005, 8940006, 9933340, 11920008, 14900010, 17880012, 19866680, 22350015, 29800020, 35760024, 44700030, 59600040, 89400060, 178800120]

約数ペア:

[(1, 178800120), (2, 89400060), (3, 59600040), (4, 44700030), (5, 35760024), (6, 29800020), (8, 22350015), (9, 19866680), (10, 17880012), (12, 14900010), (15, 11920008), (18, 9933340), (20, 8940006), (24, 7450005), (30, 5960004), (36, 4966670), (40, 4470003), (45, 3973336), (60, 2980002), (72, 2483335), (90, 1986668), (120, 1490001), (180, 993334), (311, 574920), (360, 496667), (622, 287460), (933, 191640), (1244, 143730), (1555, 114984), (1597, 111960), (1866, 95820), (2488, 71865), (2799, 63880), (3110, 57492), (3194, 55980), (3732, 47910), (4665, 38328), (4791, 37320), (5598, 31940), (6220, 28746), (6388, 27990), (7464, 23955), (7985, 22392), (9330, 19164), (9582, 18660), (11196, 15970), (12440, 14373), (12776, 13995)]