491541720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{13171}}^1$

素因数の和:13496

約数の個数: 64

約数和(自身を含む): 1479479040

約数和(自身を除く): 987937320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 311, 622, 933, 1244, 1555, 1866, 2488, 3110, 3732, 4665, 6220, 7464, 9330, 12440, 13171, 18660, 26342, 37320, 39513, 52684, 65855, 79026, 105368, 131710, 158052, 197565, 263420, 316104, 395130, 526840, 790260, 1580520, 4096181, 8192362, 12288543, 16384724, 20480905, 24577086, 32769448, 40961810, 49154172, 61442715, 81923620, 98308344, 122885430, 163847240, 245770860, 491541720]

約数ペア:

[(1, 491541720), (2, 245770860), (3, 163847240), (4, 122885430), (5, 98308344), (6, 81923620), (8, 61442715), (10, 49154172), (12, 40961810), (15, 32769448), (20, 24577086), (24, 20480905), (30, 16384724), (40, 12288543), (60, 8192362), (120, 4096181), (311, 1580520), (622, 790260), (933, 526840), (1244, 395130), (1555, 316104), (1866, 263420), (2488, 197565), (3110, 158052), (3732, 131710), (4665, 105368), (6220, 79026), (7464, 65855), (9330, 52684), (12440, 39513), (13171, 37320), (18660, 26342)]