161541990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5557}}^1$

素因数の和:5606

約数の個数: 96

約数和(自身を含む): 468205920

約数和(自身を除く): 306663930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 30, 34, 38, 45, 51, 57, 85, 90, 95, 102, 114, 153, 170, 171, 190, 255, 285, 306, 323, 342, 510, 570, 646, 765, 855, 969, 1530, 1615, 1710, 1938, 2907, 3230, 4845, 5557, 5814, 9690, 11114, 14535, 16671, 27785, 29070, 33342, 50013, 55570, 83355, 94469, 100026, 105583, 166710, 188938, 211166, 250065, 283407, 316749, 472345, 500130, 527915, 566814, 633498, 850221, 944690, 950247, 1055830, 1417035, 1583745, 1700442, 1794911, 1900494, 2834070, 3167490, 3589822, 4251105, 4751235, 5384733, 8502210, 8974555, 9502470, 10769466, 16154199, 17949110, 26923665, 32308398, 53847330, 80770995, 161541990]

約数ペア:

[(1, 161541990), (2, 80770995), (3, 53847330), (5, 32308398), (6, 26923665), (9, 17949110), (10, 16154199), (15, 10769466), (17, 9502470), (18, 8974555), (19, 8502210), (30, 5384733), (34, 4751235), (38, 4251105), (45, 3589822), (51, 3167490), (57, 2834070), (85, 1900494), (90, 1794911), (95, 1700442), (102, 1583745), (114, 1417035), (153, 1055830), (170, 950247), (171, 944690), (190, 850221), (255, 633498), (285, 566814), (306, 527915), (323, 500130), (342, 472345), (510, 316749), (570, 283407), (646, 250065), (765, 211166), (855, 188938), (969, 166710), (1530, 105583), (1615, 100026), (1710, 94469), (1938, 83355), (2907, 55570), (3230, 50013), (4845, 33342), (5557, 29070), (5814, 27785), (9690, 16671), (11114, 14535)]