78421680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 240

約数和(自身を含む): 287258400

約数和(自身を除く): 208836720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 43, 45, 48, 51, 60, 68, 72, 80, 85, 86, 90, 102, 120, 129, 136, 144, 149, 153, 170, 172, 180, 204, 215, 240, 255, 258, 272, 298, 306, 340, 344, 360, 387, 408, 430, 447, 510, 516, 596, 612, 645, 680, 688, 720, 731, 745, 765, 774, 816, 860, 894, 1020, 1032, 1192, 1224, 1290, 1341, 1360, 1462, 1490, 1530, 1548, 1720, 1788, 1935, 2040, 2064, 2193, 2235, 2384, 2448, 2533, 2580, 2682, 2924, 2980, 3060, 3096, 3440, 3576, 3655, 3870, 4080, 4386, 4470, 5066, 5160, 5364, 5848, 5960, 6120, 6192, 6407, 6579, 6705, 7152, 7310, 7599, 7740, 8772, 8940, 10132, 10320, 10728, 10965, 11696, 11920, 12240, 12665, 12814, 13158, 13410, 14620, 15198, 15480, 17544, 17880, 19221, 20264, 21456, 21930, 22797, 25330, 25628, 26316, 26820, 29240, 30396, 30960, 32035, 32895, 35088, 35760, 37995, 38442, 40528, 43860, 45594, 50660, 51256, 52632, 53640, 57663, 58480, 60792, 64070, 65790, 75990, 76884, 87720, 91188, 96105, 101320, 102512, 105264, 107280, 108919, 113985, 115326, 121584, 128140, 131580, 151980, 153768, 175440, 182376, 192210, 202640, 217838, 227970, 230652, 256280, 263160, 288315, 303960, 307536, 326757, 364752, 384420, 435676, 455940, 461304, 512560, 526320, 544595, 576630, 607920, 653514, 768840, 871352, 911880, 922608, 980271, 1089190, 1153260, 1307028, 1537680, 1633785, 1742704, 1823760, 1960542, 2178380, 2306520, 2614056, 3267570, 3921084, 4356760, 4613040, 4901355, 5228112, 6535140, 7842168, 8713520, 9802710, 13070280, 15684336, 19605420, 26140560, 39210840, 78421680]

約数ペア:

[(1, 78421680), (2, 39210840), (3, 26140560), (4, 19605420), (5, 15684336), (6, 13070280), (8, 9802710), (9, 8713520), (10, 7842168), (12, 6535140), (15, 5228112), (16, 4901355), (17, 4613040), (18, 4356760), (20, 3921084), (24, 3267570), (30, 2614056), (34, 2306520), (36, 2178380), (40, 1960542), (43, 1823760), (45, 1742704), (48, 1633785), (51, 1537680), (60, 1307028), (68, 1153260), (72, 1089190), (80, 980271), (85, 922608), (86, 911880), (90, 871352), (102, 768840), (120, 653514), (129, 607920), (136, 576630), (144, 544595), (149, 526320), (153, 512560), (170, 461304), (172, 455940), (180, 435676), (204, 384420), (215, 364752), (240, 326757), (255, 307536), (258, 303960), (272, 288315), (298, 263160), (306, 256280), (340, 230652), (344, 227970), (360, 217838), (387, 202640), (408, 192210), (430, 182376), (447, 175440), (510, 153768), (516, 151980), (596, 131580), (612, 128140), (645, 121584), (680, 115326), (688, 113985), (720, 108919), (731, 107280), (745, 105264), (765, 102512), (774, 101320), (816, 96105), (860, 91188), (894, 87720), (1020, 76884), (1032, 75990), (1192, 65790), (1224, 64070), (1290, 60792), (1341, 58480), (1360, 57663), (1462, 53640), (1490, 52632), (1530, 51256), (1548, 50660), (1720, 45594), (1788, 43860), (1935, 40528), (2040, 38442), (2064, 37995), (2193, 35760), (2235, 35088), (2384, 32895), (2448, 32035), (2533, 30960), (2580, 30396), (2682, 29240), (2924, 26820), (2980, 26316), (3060, 25628), (3096, 25330), (3440, 22797), (3576, 21930), (3655, 21456), (3870, 20264), (4080, 19221), (4386, 17880), (4470, 17544), (5066, 15480), (5160, 15198), (5364, 14620), (5848, 13410), (5960, 13158), (6120, 12814), (6192, 12665), (6407, 12240), (6579, 11920), (6705, 11696), (7152, 10965), (7310, 10728), (7599, 10320), (7740, 10132), (8772, 8940)]