238780980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2$

素因数の和:128

約数の個数: 288

約数和(自身を含む): 850953600

約数和(自身を除く): 612172620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 34, 36, 37, 38, 45, 51, 54, 57, 60, 68, 74, 76, 85, 90, 95, 102, 108, 111, 114, 135, 148, 153, 170, 171, 180, 185, 190, 204, 222, 228, 255, 270, 285, 306, 323, 333, 340, 342, 370, 380, 444, 459, 510, 513, 540, 555, 570, 612, 629, 646, 666, 684, 703, 740, 765, 855, 918, 969, 999, 1020, 1026, 1110, 1140, 1258, 1292, 1332, 1369, 1406, 1530, 1615, 1665, 1710, 1836, 1887, 1938, 1998, 2052, 2109, 2220, 2295, 2516, 2565, 2738, 2812, 2907, 3060, 3145, 3230, 3330, 3420, 3515, 3774, 3876, 3996, 4107, 4218, 4590, 4845, 4995, 5130, 5476, 5661, 5814, 6290, 6327, 6460, 6660, 6845, 7030, 7548, 8214, 8436, 8721, 9180, 9435, 9690, 9990, 10260, 10545, 11322, 11628, 11951, 12321, 12580, 12654, 13690, 14060, 14535, 16428, 16983, 17442, 18870, 18981, 19380, 19980, 20535, 21090, 22644, 23273, 23902, 24642, 25308, 26011, 27380, 28305, 29070, 31635, 33966, 34884, 35853, 36963, 37740, 37962, 41070, 42180, 43605, 46546, 47804, 49284, 52022, 56610, 58140, 59755, 61605, 63270, 67932, 69819, 71706, 73926, 75924, 78033, 82140, 84915, 87210, 93092, 94905, 104044, 107559, 113220, 116365, 119510, 123210, 126540, 130055, 139638, 143412, 147852, 156066, 169830, 174420, 179265, 184815, 189810, 209457, 215118, 232730, 234099, 239020, 246420, 260110, 279276, 312132, 322677, 339660, 349095, 358530, 369630, 379620, 390165, 418914, 430236, 442187, 465460, 468198, 520220, 537795, 628371, 645354, 698190, 702297, 717060, 739260, 780330, 837828, 884374, 936396, 1047285, 1075590, 1170495, 1256742, 1290708, 1326561, 1396380, 1404594, 1560660, 1613385, 1768748, 2094570, 2151180, 2210935, 2340990, 2513484, 2653122, 2809188, 3141855, 3226770, 3511485, 3979683, 4189140, 4421870, 4681980, 5306244, 6283710, 6453540, 6632805, 7022970, 7959366, 8843740, 11939049, 12567420, 13265610, 14045940, 15918732, 19898415, 23878098, 26531220, 39796830, 47756196, 59695245, 79593660, 119390490, 238780980]

約数ペア:

[(1, 238780980), (2, 119390490), (3, 79593660), (4, 59695245), (5, 47756196), (6, 39796830), (9, 26531220), (10, 23878098), (12, 19898415), (15, 15918732), (17, 14045940), (18, 13265610), (19, 12567420), (20, 11939049), (27, 8843740), (30, 7959366), (34, 7022970), (36, 6632805), (37, 6453540), (38, 6283710), (45, 5306244), (51, 4681980), (54, 4421870), (57, 4189140), (60, 3979683), (68, 3511485), (74, 3226770), (76, 3141855), (85, 2809188), (90, 2653122), (95, 2513484), (102, 2340990), (108, 2210935), (111, 2151180), (114, 2094570), (135, 1768748), (148, 1613385), (153, 1560660), (170, 1404594), (171, 1396380), (180, 1326561), (185, 1290708), (190, 1256742), (204, 1170495), (222, 1075590), (228, 1047285), (255, 936396), (270, 884374), (285, 837828), (306, 780330), (323, 739260), (333, 717060), (340, 702297), (342, 698190), (370, 645354), (380, 628371), (444, 537795), (459, 520220), (510, 468198), (513, 465460), (540, 442187), (555, 430236), (570, 418914), (612, 390165), (629, 379620), (646, 369630), (666, 358530), (684, 349095), (703, 339660), (740, 322677), (765, 312132), (855, 279276), (918, 260110), (969, 246420), (999, 239020), (1020, 234099), (1026, 232730), (1110, 215118), (1140, 209457), (1258, 189810), (1292, 184815), (1332, 179265), (1369, 174420), (1406, 169830), (1530, 156066), (1615, 147852), (1665, 143412), (1710, 139638), (1836, 130055), (1887, 126540), (1938, 123210), (1998, 119510), (2052, 116365), (2109, 113220), (2220, 107559), (2295, 104044), (2516, 94905), (2565, 93092), (2738, 87210), (2812, 84915), (2907, 82140), (3060, 78033), (3145, 75924), (3230, 73926), (3330, 71706), (3420, 69819), (3515, 67932), (3774, 63270), (3876, 61605), (3996, 59755), (4107, 58140), (4218, 56610), (4590, 52022), (4845, 49284), (4995, 47804), (5130, 46546), (5476, 43605), (5661, 42180), (5814, 41070), (6290, 37962), (6327, 37740), (6460, 36963), (6660, 35853), (6845, 34884), (7030, 33966), (7548, 31635), (8214, 29070), (8436, 28305), (8721, 27380), (9180, 26011), (9435, 25308), (9690, 24642), (9990, 23902), (10260, 23273), (10545, 22644), (11322, 21090), (11628, 20535), (11951, 19980), (12321, 19380), (12580, 18981), (12654, 18870), (13690, 17442), (14060, 16983), (14535, 16428)]