205597080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:450

約数の個数: 192

約数和(自身を含む): 726485760

約数和(自身を除く): 520888680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 197, 223, 234, 260, 312, 360, 390, 394, 446, 468, 520, 585, 591, 669, 780, 788, 892, 936, 985, 1115, 1170, 1182, 1338, 1560, 1576, 1773, 1784, 1970, 2007, 2230, 2340, 2364, 2561, 2676, 2899, 2955, 3345, 3546, 3940, 4014, 4460, 4680, 4728, 5122, 5352, 5798, 5910, 6690, 7092, 7683, 7880, 8028, 8697, 8865, 8920, 10035, 10244, 11596, 11820, 12805, 13380, 14184, 14495, 15366, 16056, 17394, 17730, 20070, 20488, 23049, 23192, 23640, 25610, 26091, 26760, 28990, 30732, 34788, 35460, 38415, 40140, 43485, 43931, 46098, 51220, 52182, 57980, 61464, 69576, 70920, 76830, 80280, 86970, 87862, 92196, 102440, 104364, 115245, 115960, 130455, 131793, 153660, 173940, 175724, 184392, 208728, 219655, 230490, 260910, 263586, 307320, 347880, 351448, 395379, 439310, 460980, 521820, 527172, 571103, 658965, 790758, 878620, 921960, 1043640, 1054344, 1142206, 1317930, 1581516, 1713309, 1757240, 1976895, 2284412, 2635860, 2855515, 3163032, 3426618, 3953790, 4568824, 5139927, 5271720, 5711030, 6853236, 7907580, 8566545, 10279854, 11422060, 13706472, 15815160, 17133090, 20559708, 22844120, 25699635, 34266180, 41119416, 51399270, 68532360, 102798540, 205597080]

約数ペア:

[(1, 205597080), (2, 102798540), (3, 68532360), (4, 51399270), (5, 41119416), (6, 34266180), (8, 25699635), (9, 22844120), (10, 20559708), (12, 17133090), (13, 15815160), (15, 13706472), (18, 11422060), (20, 10279854), (24, 8566545), (26, 7907580), (30, 6853236), (36, 5711030), (39, 5271720), (40, 5139927), (45, 4568824), (52, 3953790), (60, 3426618), (65, 3163032), (72, 2855515), (78, 2635860), (90, 2284412), (104, 1976895), (117, 1757240), (120, 1713309), (130, 1581516), (156, 1317930), (180, 1142206), (195, 1054344), (197, 1043640), (223, 921960), (234, 878620), (260, 790758), (312, 658965), (360, 571103), (390, 527172), (394, 521820), (446, 460980), (468, 439310), (520, 395379), (585, 351448), (591, 347880), (669, 307320), (780, 263586), (788, 260910), (892, 230490), (936, 219655), (985, 208728), (1115, 184392), (1170, 175724), (1182, 173940), (1338, 153660), (1560, 131793), (1576, 130455), (1773, 115960), (1784, 115245), (1970, 104364), (2007, 102440), (2230, 92196), (2340, 87862), (2364, 86970), (2561, 80280), (2676, 76830), (2899, 70920), (2955, 69576), (3345, 61464), (3546, 57980), (3940, 52182), (4014, 51220), (4460, 46098), (4680, 43931), (4728, 43485), (5122, 40140), (5352, 38415), (5798, 35460), (5910, 34788), (6690, 30732), (7092, 28990), (7683, 26760), (7880, 26091), (8028, 25610), (8697, 23640), (8865, 23192), (8920, 23049), (10035, 20488), (10244, 20070), (11596, 17730), (11820, 17394), (12805, 16056), (13380, 15366), (14184, 14495)]