158002020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:626

約数の個数: 144

約数和(自身を含む): 526780800

約数和(自身を除く): 368778780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 199, 220, 330, 396, 398, 401, 495, 597, 660, 796, 802, 990, 995, 1194, 1203, 1604, 1791, 1980, 1990, 2005, 2189, 2388, 2406, 2985, 3582, 3609, 3980, 4010, 4378, 4411, 4812, 5970, 6015, 6567, 7164, 7218, 8020, 8756, 8822, 8955, 10945, 11940, 12030, 13134, 13233, 14436, 17644, 17910, 18045, 19701, 21890, 22055, 24060, 26268, 26466, 32835, 35820, 36090, 39402, 39699, 43780, 44110, 52932, 65670, 66165, 72180, 78804, 79398, 79799, 88220, 98505, 131340, 132330, 158796, 159598, 197010, 198495, 239397, 264660, 319196, 394020, 396990, 398995, 478794, 718191, 793980, 797990, 877789, 957588, 1196985, 1436382, 1595980, 1755578, 2393970, 2633367, 2872764, 3511156, 3590955, 4388945, 4787940, 5266734, 7181910, 7900101, 8777890, 10533468, 13166835, 14363820, 15800202, 17555780, 26333670, 31600404, 39500505, 52667340, 79001010, 158002020]

約数ペア:

[(1, 158002020), (2, 79001010), (3, 52667340), (4, 39500505), (5, 31600404), (6, 26333670), (9, 17555780), (10, 15800202), (11, 14363820), (12, 13166835), (15, 10533468), (18, 8777890), (20, 7900101), (22, 7181910), (30, 5266734), (33, 4787940), (36, 4388945), (44, 3590955), (45, 3511156), (55, 2872764), (60, 2633367), (66, 2393970), (90, 1755578), (99, 1595980), (110, 1436382), (132, 1196985), (165, 957588), (180, 877789), (198, 797990), (199, 793980), (220, 718191), (330, 478794), (396, 398995), (398, 396990), (401, 394020), (495, 319196), (597, 264660), (660, 239397), (796, 198495), (802, 197010), (990, 159598), (995, 158796), (1194, 132330), (1203, 131340), (1604, 98505), (1791, 88220), (1980, 79799), (1990, 79398), (2005, 78804), (2189, 72180), (2388, 66165), (2406, 65670), (2985, 52932), (3582, 44110), (3609, 43780), (3980, 39699), (4010, 39402), (4378, 36090), (4411, 35820), (4812, 32835), (5970, 26466), (6015, 26268), (6567, 24060), (7164, 22055), (7218, 21890), (8020, 19701), (8756, 18045), (8822, 17910), (8955, 17644), (10945, 14436), (11940, 13233), (12030, 13134)]