131338260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:308

約数の個数: 240

約数和(自身を含む): 461039040

約数和(自身を除く): 329700780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 34, 36, 38, 45, 51, 54, 57, 60, 68, 76, 81, 85, 90, 95, 102, 108, 114, 135, 153, 162, 170, 171, 180, 190, 204, 228, 251, 255, 270, 285, 306, 323, 324, 340, 342, 380, 405, 459, 502, 510, 513, 540, 570, 612, 646, 684, 753, 765, 810, 855, 918, 969, 1004, 1020, 1026, 1140, 1255, 1292, 1377, 1506, 1530, 1539, 1615, 1620, 1710, 1836, 1938, 2052, 2259, 2295, 2510, 2565, 2754, 2907, 3012, 3060, 3078, 3230, 3420, 3765, 3876, 4267, 4518, 4590, 4769, 4845, 5020, 5130, 5508, 5814, 6156, 6460, 6777, 6885, 7530, 7695, 8534, 8721, 9036, 9180, 9538, 9690, 10260, 11295, 11628, 12801, 13554, 13770, 14307, 14535, 15060, 15390, 17068, 17442, 19076, 19380, 20331, 21335, 22590, 23845, 25602, 26163, 27108, 27540, 28614, 29070, 30780, 33885, 34884, 38403, 40662, 42670, 42921, 43605, 45180, 47690, 51204, 52326, 57228, 58140, 64005, 67770, 71535, 76806, 81073, 81324, 85340, 85842, 87210, 95380, 101655, 104652, 115209, 128010, 128763, 130815, 135540, 143070, 153612, 162146, 171684, 174420, 192015, 203310, 214605, 230418, 243219, 256020, 257526, 261630, 286140, 324292, 345627, 384030, 386289, 405365, 406620, 429210, 460836, 486438, 515052, 523260, 576045, 643815, 691254, 729657, 768060, 772578, 810730, 858420, 972876, 1152090, 1216095, 1287630, 1382508, 1459314, 1545156, 1621460, 1728135, 1931445, 2188971, 2304180, 2432190, 2575260, 2918628, 3456270, 3648285, 3862890, 4377942, 4864380, 6566913, 6912540, 7296570, 7725780, 8755884, 10944855, 13133826, 14593140, 21889710, 26267652, 32834565, 43779420, 65669130, 131338260]

約数ペア:

[(1, 131338260), (2, 65669130), (3, 43779420), (4, 32834565), (5, 26267652), (6, 21889710), (9, 14593140), (10, 13133826), (12, 10944855), (15, 8755884), (17, 7725780), (18, 7296570), (19, 6912540), (20, 6566913), (27, 4864380), (30, 4377942), (34, 3862890), (36, 3648285), (38, 3456270), (45, 2918628), (51, 2575260), (54, 2432190), (57, 2304180), (60, 2188971), (68, 1931445), (76, 1728135), (81, 1621460), (85, 1545156), (90, 1459314), (95, 1382508), (102, 1287630), (108, 1216095), (114, 1152090), (135, 972876), (153, 858420), (162, 810730), (170, 772578), (171, 768060), (180, 729657), (190, 691254), (204, 643815), (228, 576045), (251, 523260), (255, 515052), (270, 486438), (285, 460836), (306, 429210), (323, 406620), (324, 405365), (340, 386289), (342, 384030), (380, 345627), (405, 324292), (459, 286140), (502, 261630), (510, 257526), (513, 256020), (540, 243219), (570, 230418), (612, 214605), (646, 203310), (684, 192015), (753, 174420), (765, 171684), (810, 162146), (855, 153612), (918, 143070), (969, 135540), (1004, 130815), (1020, 128763), (1026, 128010), (1140, 115209), (1255, 104652), (1292, 101655), (1377, 95380), (1506, 87210), (1530, 85842), (1539, 85340), (1615, 81324), (1620, 81073), (1710, 76806), (1836, 71535), (1938, 67770), (2052, 64005), (2259, 58140), (2295, 57228), (2510, 52326), (2565, 51204), (2754, 47690), (2907, 45180), (3012, 43605), (3060, 42921), (3078, 42670), (3230, 40662), (3420, 38403), (3765, 34884), (3876, 33885), (4267, 30780), (4518, 29070), (4590, 28614), (4769, 27540), (4845, 27108), (5020, 26163), (5130, 25602), (5508, 23845), (5814, 22590), (6156, 21335), (6460, 20331), (6777, 19380), (6885, 19076), (7530, 17442), (7695, 17068), (8534, 15390), (8721, 15060), (9036, 14535), (9180, 14307), (9538, 13770), (9690, 13554), (10260, 12801), (11295, 11628)]