1981709460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{4957}}^1$

素因数の和:7193

約数の個数: 72

約数和(自身を含む): 6015105096

約数和(自身を除く): 4033395636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2221, 4442, 4957, 6663, 8884, 9914, 11105, 13326, 14871, 19828, 19989, 22210, 24785, 26652, 29742, 33315, 39978, 44420, 44613, 49570, 59484, 66630, 74355, 79956, 89226, 99140, 99945, 133260, 148710, 178452, 199890, 223065, 297420, 399780, 446130, 892260, 11009497, 22018994, 33028491, 44037988, 55047485, 66056982, 99085473, 110094970, 132113964, 165142455, 198170946, 220189940, 330284910, 396341892, 495427365, 660569820, 990854730, 1981709460]

約数ペア:

[(1, 1981709460), (2, 990854730), (3, 660569820), (4, 495427365), (5, 396341892), (6, 330284910), (9, 220189940), (10, 198170946), (12, 165142455), (15, 132113964), (18, 110094970), (20, 99085473), (30, 66056982), (36, 55047485), (45, 44037988), (60, 33028491), (90, 22018994), (180, 11009497), (2221, 892260), (4442, 446130), (4957, 399780), (6663, 297420), (8884, 223065), (9914, 199890), (11105, 178452), (13326, 148710), (14871, 133260), (19828, 99945), (19989, 99140), (22210, 89226), (24785, 79956), (26652, 74355), (29742, 66630), (33315, 59484), (39978, 49570), (44420, 44613)]