181862120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 470016000

約数和(自身を除く): 288153880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 67, 88, 110, 124, 134, 155, 199, 220, 248, 268, 310, 335, 341, 398, 440, 536, 620, 670, 682, 737, 796, 995, 1240, 1340, 1364, 1474, 1592, 1705, 1990, 2077, 2189, 2680, 2728, 2948, 3410, 3685, 3980, 4154, 4378, 5896, 6169, 6820, 7370, 7960, 8308, 8756, 10385, 10945, 12338, 13333, 13640, 14740, 16616, 17512, 20770, 21890, 22847, 24676, 26666, 29480, 30845, 41540, 43780, 45694, 49352, 53332, 61690, 66665, 67859, 83080, 87560, 91388, 106664, 114235, 123380, 133330, 135718, 146663, 182776, 228470, 246760, 266660, 271436, 293326, 339295, 413323, 456940, 533320, 542872, 586652, 678590, 733315, 826646, 913880, 1173304, 1357180, 1466630, 1653292, 2066615, 2714360, 2933260, 3306584, 4133230, 4546553, 5866520, 8266460, 9093106, 16532920, 18186212, 22732765, 36372424, 45465530, 90931060, 181862120]

約数ペア:

[(1, 181862120), (2, 90931060), (4, 45465530), (5, 36372424), (8, 22732765), (10, 18186212), (11, 16532920), (20, 9093106), (22, 8266460), (31, 5866520), (40, 4546553), (44, 4133230), (55, 3306584), (62, 2933260), (67, 2714360), (88, 2066615), (110, 1653292), (124, 1466630), (134, 1357180), (155, 1173304), (199, 913880), (220, 826646), (248, 733315), (268, 678590), (310, 586652), (335, 542872), (341, 533320), (398, 456940), (440, 413323), (536, 339295), (620, 293326), (670, 271436), (682, 266660), (737, 246760), (796, 228470), (995, 182776), (1240, 146663), (1340, 135718), (1364, 133330), (1474, 123380), (1592, 114235), (1705, 106664), (1990, 91388), (2077, 87560), (2189, 83080), (2680, 67859), (2728, 66665), (2948, 61690), (3410, 53332), (3685, 49352), (3980, 45694), (4154, 43780), (4378, 41540), (5896, 30845), (6169, 29480), (6820, 26666), (7370, 24676), (7960, 22847), (8308, 21890), (8756, 20770), (10385, 17512), (10945, 16616), (12338, 14740), (13333, 13640)]