81394920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{727}}^1$

素因数の和:1055

約数の個数: 96

約数和(自身を含む): 265749120

約数和(自身を除く): 184354200

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, 727, 933, 1244, 1454, 1555, 1866, 2181, 2488, 2799, 2908, 3110, 3635, 3732, 4362, 4665, 5598, 5816, 6220, 6543, 7270, 7464, 8724, 9330, 10905, 11196, 12440, 13086, 13995, 14540, 17448, 18660, 21810, 22392, 26172, 27990, 29080, 32715, 37320, 43620, 52344, 55980, 65430, 87240, 111960, 130860, 226097, 261720, 452194, 678291, 904388, 1130485, 1356582, 1808776, 2034873, 2260970, 2713164, 3391455, 4069746, 4521940, 5426328, 6782910, 8139492, 9043880, 10174365, 13565820, 16278984, 20348730, 27131640, 40697460, 81394920]

約数ペア:

[(1, 81394920), (2, 40697460), (3, 27131640), (4, 20348730), (5, 16278984), (6, 13565820), (8, 10174365), (9, 9043880), (10, 8139492), (12, 6782910), (15, 5426328), (18, 4521940), (20, 4069746), (24, 3391455), (30, 2713164), (36, 2260970), (40, 2034873), (45, 1808776), (60, 1356582), (72, 1130485), (90, 904388), (120, 678291), (180, 452194), (311, 261720), (360, 226097), (622, 130860), (727, 111960), (933, 87240), (1244, 65430), (1454, 55980), (1555, 52344), (1866, 43620), (2181, 37320), (2488, 32715), (2799, 29080), (2908, 27990), (3110, 26172), (3635, 22392), (3732, 21810), (4362, 18660), (4665, 17448), (5598, 14540), (5816, 13995), (6220, 13086), (6543, 12440), (7270, 11196), (7464, 10905), (8724, 9330)]