287217720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:766

約数の個数: 192

約数和(自身を含む): 1003803840

約数和(自身を除く): 716586120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 71, 72, 85, 90, 102, 120, 136, 142, 153, 170, 180, 204, 213, 255, 284, 306, 340, 355, 360, 408, 426, 510, 568, 612, 639, 661, 680, 710, 765, 852, 1020, 1065, 1207, 1224, 1278, 1322, 1420, 1530, 1704, 1983, 2040, 2130, 2414, 2556, 2644, 2840, 3060, 3195, 3305, 3621, 3966, 4260, 4828, 5112, 5288, 5949, 6035, 6120, 6390, 6610, 7242, 7932, 8520, 9656, 9915, 10863, 11237, 11898, 12070, 12780, 13220, 14484, 15864, 18105, 19830, 21726, 22474, 23796, 24140, 25560, 26440, 28968, 29745, 33711, 36210, 39660, 43452, 44948, 46931, 47592, 48280, 54315, 56185, 59490, 67422, 72420, 79320, 86904, 89896, 93862, 101133, 108630, 112370, 118980, 134844, 140793, 144840, 168555, 187724, 202266, 217260, 224740, 234655, 237960, 269688, 281586, 337110, 375448, 404532, 422379, 434520, 449480, 469310, 505665, 563172, 674220, 703965, 797827, 809064, 844758, 938620, 1011330, 1126344, 1348440, 1407930, 1595654, 1689516, 1877240, 2022660, 2111895, 2393481, 2815860, 3191308, 3379032, 3989135, 4045320, 4223790, 4786962, 5631720, 6382616, 7180443, 7978270, 8447580, 9573924, 11967405, 14360886, 15956540, 16895160, 19147848, 23934810, 28721772, 31913080, 35902215, 47869620, 57443544, 71804430, 95739240, 143608860, 287217720]

約数ペア:

[(1, 287217720), (2, 143608860), (3, 95739240), (4, 71804430), (5, 57443544), (6, 47869620), (8, 35902215), (9, 31913080), (10, 28721772), (12, 23934810), (15, 19147848), (17, 16895160), (18, 15956540), (20, 14360886), (24, 11967405), (30, 9573924), (34, 8447580), (36, 7978270), (40, 7180443), (45, 6382616), (51, 5631720), (60, 4786962), (68, 4223790), (71, 4045320), (72, 3989135), (85, 3379032), (90, 3191308), (102, 2815860), (120, 2393481), (136, 2111895), (142, 2022660), (153, 1877240), (170, 1689516), (180, 1595654), (204, 1407930), (213, 1348440), (255, 1126344), (284, 1011330), (306, 938620), (340, 844758), (355, 809064), (360, 797827), (408, 703965), (426, 674220), (510, 563172), (568, 505665), (612, 469310), (639, 449480), (661, 434520), (680, 422379), (710, 404532), (765, 375448), (852, 337110), (1020, 281586), (1065, 269688), (1207, 237960), (1224, 234655), (1278, 224740), (1322, 217260), (1420, 202266), (1530, 187724), (1704, 168555), (1983, 144840), (2040, 140793), (2130, 134844), (2414, 118980), (2556, 112370), (2644, 108630), (2840, 101133), (3060, 93862), (3195, 89896), (3305, 86904), (3621, 79320), (3966, 72420), (4260, 67422), (4828, 59490), (5112, 56185), (5288, 54315), (5949, 48280), (6035, 47592), (6120, 46931), (6390, 44948), (6610, 43452), (7242, 39660), (7932, 36210), (8520, 33711), (9656, 29745), (9915, 28968), (10863, 26440), (11237, 25560), (11898, 24140), (12070, 23796), (12780, 22474), (13220, 21726), (14484, 19830), (15864, 18105)]