238531320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:890

約数の個数: 192

約数和(自身を含む): 836035200

約数和(自身を除く): 597503880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 43, 45, 57, 60, 72, 76, 86, 90, 95, 114, 120, 129, 152, 171, 172, 180, 190, 215, 228, 258, 285, 342, 344, 360, 380, 387, 430, 456, 516, 570, 645, 684, 760, 774, 811, 817, 855, 860, 1032, 1140, 1290, 1368, 1548, 1622, 1634, 1710, 1720, 1935, 2280, 2433, 2451, 2580, 3096, 3244, 3268, 3420, 3870, 4055, 4085, 4866, 4902, 5160, 6488, 6536, 6840, 7299, 7353, 7740, 8110, 8170, 9732, 9804, 12165, 12255, 14598, 14706, 15409, 15480, 16220, 16340, 19464, 19608, 24330, 24510, 29196, 29412, 30818, 32440, 32680, 34873, 36495, 36765, 46227, 48660, 49020, 58392, 58824, 61636, 69746, 72990, 73530, 77045, 92454, 97320, 98040, 104619, 123272, 138681, 139492, 145980, 147060, 154090, 174365, 184908, 209238, 231135, 277362, 278984, 291960, 294120, 308180, 313857, 348730, 369816, 418476, 462270, 523095, 554724, 616360, 627714, 662587, 693405, 697460, 836952, 924540, 1046190, 1109448, 1255428, 1325174, 1386810, 1394920, 1569285, 1849080, 1987761, 2092380, 2510856, 2650348, 2773620, 3138570, 3312935, 3975522, 4184760, 5300696, 5547240, 5963283, 6277140, 6625870, 7951044, 9938805, 11926566, 12554280, 13251740, 15902088, 19877610, 23853132, 26503480, 29816415, 39755220, 47706264, 59632830, 79510440, 119265660, 238531320]

約数ペア:

[(1, 238531320), (2, 119265660), (3, 79510440), (4, 59632830), (5, 47706264), (6, 39755220), (8, 29816415), (9, 26503480), (10, 23853132), (12, 19877610), (15, 15902088), (18, 13251740), (19, 12554280), (20, 11926566), (24, 9938805), (30, 7951044), (36, 6625870), (38, 6277140), (40, 5963283), (43, 5547240), (45, 5300696), (57, 4184760), (60, 3975522), (72, 3312935), (76, 3138570), (86, 2773620), (90, 2650348), (95, 2510856), (114, 2092380), (120, 1987761), (129, 1849080), (152, 1569285), (171, 1394920), (172, 1386810), (180, 1325174), (190, 1255428), (215, 1109448), (228, 1046190), (258, 924540), (285, 836952), (342, 697460), (344, 693405), (360, 662587), (380, 627714), (387, 616360), (430, 554724), (456, 523095), (516, 462270), (570, 418476), (645, 369816), (684, 348730), (760, 313857), (774, 308180), (811, 294120), (817, 291960), (855, 278984), (860, 277362), (1032, 231135), (1140, 209238), (1290, 184908), (1368, 174365), (1548, 154090), (1622, 147060), (1634, 145980), (1710, 139492), (1720, 138681), (1935, 123272), (2280, 104619), (2433, 98040), (2451, 97320), (2580, 92454), (3096, 77045), (3244, 73530), (3268, 72990), (3420, 69746), (3870, 61636), (4055, 58824), (4085, 58392), (4866, 49020), (4902, 48660), (5160, 46227), (6488, 36765), (6536, 36495), (6840, 34873), (7299, 32680), (7353, 32440), (7740, 30818), (8110, 29412), (8170, 29196), (9732, 24510), (9804, 24330), (12165, 19608), (12255, 19464), (14598, 16340), (14706, 16220), (15409, 15480)]