205125480

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:701

約数の個数: 256

約数和(自身を含む): 800870400

約数和(自身を除く): 595744920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 54, 56, 60, 63, 70, 72, 84, 86, 90, 105, 108, 120, 126, 129, 135, 140, 168, 172, 180, 189, 210, 215, 216, 252, 258, 270, 280, 301, 315, 344, 360, 378, 387, 420, 430, 504, 516, 540, 602, 630, 631, 645, 756, 774, 840, 860, 903, 945, 1032, 1080, 1161, 1204, 1260, 1262, 1290, 1505, 1512, 1548, 1720, 1806, 1890, 1893, 1935, 2322, 2408, 2520, 2524, 2580, 2709, 3010, 3096, 3155, 3612, 3780, 3786, 3870, 4417, 4515, 4644, 5048, 5160, 5418, 5679, 5805, 6020, 6310, 7224, 7560, 7572, 7740, 8127, 8834, 9030, 9288, 9465, 10836, 11358, 11610, 12040, 12620, 13251, 13545, 15144, 15480, 16254, 17037, 17668, 18060, 18930, 21672, 22085, 22716, 23220, 25240, 26502, 27090, 27133, 28395, 32508, 34074, 35336, 36120, 37860, 39753, 40635, 44170, 45432, 46440, 53004, 54180, 54266, 56790, 65016, 66255, 68148, 75720, 79506, 81270, 81399, 85185, 88340, 106008, 108360, 108532, 113580, 119259, 132510, 135665, 136296, 159012, 162540, 162798, 170370, 176680, 189931, 198765, 217064, 227160, 238518, 244197, 265020, 271330, 318024, 325080, 325596, 340740, 379862, 397530, 406995, 477036, 488394, 530040, 542660, 569793, 596295, 651192, 681480, 732591, 759724, 795060, 813990, 949655, 954072, 976788, 1085320, 1139586, 1192590, 1220985, 1465182, 1519448, 1590120, 1627980, 1709379, 1899310, 1953576, 2279172, 2385180, 2441970, 2848965, 2930364, 3255960, 3418758, 3662955, 3798620, 4558344, 4770360, 4883940, 5128137, 5697930, 5860728, 6837516, 7325910, 7597240, 8546895, 9767880, 10256274, 11395860, 13675032, 14651820, 17093790, 20512548, 22791720, 25640685, 29303640, 34187580, 41025096, 51281370, 68375160, 102562740, 205125480]

約数ペア:

[(1, 205125480), (2, 102562740), (3, 68375160), (4, 51281370), (5, 41025096), (6, 34187580), (7, 29303640), (8, 25640685), (9, 22791720), (10, 20512548), (12, 17093790), (14, 14651820), (15, 13675032), (18, 11395860), (20, 10256274), (21, 9767880), (24, 8546895), (27, 7597240), (28, 7325910), (30, 6837516), (35, 5860728), (36, 5697930), (40, 5128137), (42, 4883940), (43, 4770360), (45, 4558344), (54, 3798620), (56, 3662955), (60, 3418758), (63, 3255960), (70, 2930364), (72, 2848965), (84, 2441970), (86, 2385180), (90, 2279172), (105, 1953576), (108, 1899310), (120, 1709379), (126, 1627980), (129, 1590120), (135, 1519448), (140, 1465182), (168, 1220985), (172, 1192590), (180, 1139586), (189, 1085320), (210, 976788), (215, 954072), (216, 949655), (252, 813990), (258, 795060), (270, 759724), (280, 732591), (301, 681480), (315, 651192), (344, 596295), (360, 569793), (378, 542660), (387, 530040), (420, 488394), (430, 477036), (504, 406995), (516, 397530), (540, 379862), (602, 340740), (630, 325596), (631, 325080), (645, 318024), (756, 271330), (774, 265020), (840, 244197), (860, 238518), (903, 227160), (945, 217064), (1032, 198765), (1080, 189931), (1161, 176680), (1204, 170370), (1260, 162798), (1262, 162540), (1290, 159012), (1505, 136296), (1512, 135665), (1548, 132510), (1720, 119259), (1806, 113580), (1890, 108532), (1893, 108360), (1935, 106008), (2322, 88340), (2408, 85185), (2520, 81399), (2524, 81270), (2580, 79506), (2709, 75720), (3010, 68148), (3096, 66255), (3155, 65016), (3612, 56790), (3780, 54266), (3786, 54180), (3870, 53004), (4417, 46440), (4515, 45432), (4644, 44170), (5048, 40635), (5160, 39753), (5418, 37860), (5679, 36120), (5805, 35336), (6020, 34074), (6310, 32508), (7224, 28395), (7560, 27133), (7572, 27090), (7740, 26502), (8127, 25240), (8834, 23220), (9030, 22716), (9288, 22085), (9465, 21672), (10836, 18930), (11358, 18060), (11610, 17668), (12040, 17037), (12620, 16254), (13251, 15480), (13545, 15144)]