66655920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 160

約数和(自身を含む): 218646720

約数和(自身を除く): 151990800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 61, 80, 87, 116, 120, 122, 145, 157, 174, 183, 232, 240, 244, 290, 305, 314, 348, 366, 435, 464, 471, 488, 580, 610, 628, 696, 732, 785, 870, 915, 942, 976, 1160, 1220, 1256, 1392, 1464, 1570, 1740, 1769, 1830, 1884, 2320, 2355, 2440, 2512, 2928, 3140, 3480, 3538, 3660, 3768, 4553, 4710, 4880, 5307, 6280, 6960, 7076, 7320, 7536, 8845, 9106, 9420, 9577, 10614, 12560, 13659, 14152, 14640, 17690, 18212, 18840, 19154, 21228, 22765, 26535, 27318, 28304, 28731, 35380, 36424, 37680, 38308, 42456, 45530, 47885, 53070, 54636, 57462, 68295, 70760, 72848, 76616, 84912, 91060, 95770, 106140, 109272, 114924, 136590, 141520, 143655, 153232, 182120, 191540, 212280, 218544, 229848, 273180, 277733, 287310, 364240, 383080, 424560, 459696, 546360, 555466, 574620, 766160, 833199, 1092720, 1110932, 1149240, 1388665, 1666398, 2221864, 2298480, 2777330, 3332796, 4165995, 4443728, 5554660, 6665592, 8331990, 11109320, 13331184, 16663980, 22218640, 33327960, 66655920]

約数ペア:

[(1, 66655920), (2, 33327960), (3, 22218640), (4, 16663980), (5, 13331184), (6, 11109320), (8, 8331990), (10, 6665592), (12, 5554660), (15, 4443728), (16, 4165995), (20, 3332796), (24, 2777330), (29, 2298480), (30, 2221864), (40, 1666398), (48, 1388665), (58, 1149240), (60, 1110932), (61, 1092720), (80, 833199), (87, 766160), (116, 574620), (120, 555466), (122, 546360), (145, 459696), (157, 424560), (174, 383080), (183, 364240), (232, 287310), (240, 277733), (244, 273180), (290, 229848), (305, 218544), (314, 212280), (348, 191540), (366, 182120), (435, 153232), (464, 143655), (471, 141520), (488, 136590), (580, 114924), (610, 109272), (628, 106140), (696, 95770), (732, 91060), (785, 84912), (870, 76616), (915, 72848), (942, 70760), (976, 68295), (1160, 57462), (1220, 54636), (1256, 53070), (1392, 47885), (1464, 45530), (1570, 42456), (1740, 38308), (1769, 37680), (1830, 36424), (1884, 35380), (2320, 28731), (2355, 28304), (2440, 27318), (2512, 26535), (2928, 22765), (3140, 21228), (3480, 19154), (3538, 18840), (3660, 18212), (3768, 17690), (4553, 14640), (4710, 14152), (4880, 13659), (5307, 12560), (6280, 10614), (6960, 9577), (7076, 9420), (7320, 9106), (7536, 8845)]