201531440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 542376000

約数和(自身を除く): 340844560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 53, 55, 58, 80, 88, 106, 110, 116, 145, 149, 176, 212, 220, 232, 265, 290, 298, 319, 424, 440, 464, 530, 580, 583, 596, 638, 745, 848, 880, 1060, 1160, 1166, 1192, 1276, 1490, 1537, 1595, 1639, 2120, 2320, 2332, 2384, 2552, 2915, 2980, 3074, 3190, 3278, 4240, 4321, 4664, 5104, 5830, 5960, 6148, 6380, 6556, 7685, 7897, 8195, 8642, 9328, 11660, 11920, 12296, 12760, 13112, 15370, 15794, 16390, 16907, 17284, 21605, 23320, 24592, 25520, 26224, 30740, 31588, 32780, 33814, 34568, 39485, 43210, 46640, 47531, 61480, 63176, 65560, 67628, 69136, 78970, 84535, 86420, 86867, 95062, 122960, 126352, 131120, 135256, 157940, 169070, 172840, 173734, 190124, 229013, 237655, 270512, 315880, 338140, 345680, 347468, 380248, 434335, 458026, 475310, 631760, 676280, 694936, 760496, 868670, 916052, 950620, 1145065, 1352560, 1389872, 1737340, 1832104, 1901240, 2290130, 2519143, 3474680, 3664208, 3802480, 4580260, 5038286, 6949360, 9160520, 10076572, 12595715, 18321040, 20153144, 25191430, 40306288, 50382860, 100765720, 201531440]

約数ペア:

[(1, 201531440), (2, 100765720), (4, 50382860), (5, 40306288), (8, 25191430), (10, 20153144), (11, 18321040), (16, 12595715), (20, 10076572), (22, 9160520), (29, 6949360), (40, 5038286), (44, 4580260), (53, 3802480), (55, 3664208), (58, 3474680), (80, 2519143), (88, 2290130), (106, 1901240), (110, 1832104), (116, 1737340), (145, 1389872), (149, 1352560), (176, 1145065), (212, 950620), (220, 916052), (232, 868670), (265, 760496), (290, 694936), (298, 676280), (319, 631760), (424, 475310), (440, 458026), (464, 434335), (530, 380248), (580, 347468), (583, 345680), (596, 338140), (638, 315880), (745, 270512), (848, 237655), (880, 229013), (1060, 190124), (1160, 173734), (1166, 172840), (1192, 169070), (1276, 157940), (1490, 135256), (1537, 131120), (1595, 126352), (1639, 122960), (2120, 95062), (2320, 86867), (2332, 86420), (2384, 84535), (2552, 78970), (2915, 69136), (2980, 67628), (3074, 65560), (3190, 63176), (3278, 61480), (4240, 47531), (4321, 46640), (4664, 43210), (5104, 39485), (5830, 34568), (5960, 33814), (6148, 32780), (6380, 31588), (6556, 30740), (7685, 26224), (7897, 25520), (8195, 24592), (8642, 23320), (9328, 21605), (11660, 17284), (11920, 16907), (12296, 16390), (12760, 15794), (13112, 15370)]