161455140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{353}}^1$

素因数の和:400

約数の個数: 288

約数和(自身を含む): 632782080

約数和(自身を除く): 471326940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 108, 110, 121, 126, 132, 135, 140, 154, 165, 180, 189, 198, 210, 220, 231, 242, 252, 270, 297, 308, 315, 330, 353, 363, 378, 385, 396, 420, 462, 484, 495, 540, 594, 605, 630, 660, 693, 706, 726, 756, 770, 847, 924, 945, 990, 1059, 1089, 1155, 1188, 1210, 1260, 1386, 1412, 1452, 1485, 1540, 1694, 1765, 1815, 1890, 1980, 2079, 2118, 2178, 2310, 2420, 2471, 2541, 2772, 2970, 3177, 3267, 3388, 3465, 3530, 3630, 3780, 3883, 4158, 4235, 4236, 4356, 4620, 4942, 5082, 5295, 5445, 5940, 6354, 6534, 6930, 7060, 7260, 7413, 7623, 7766, 8316, 8470, 9531, 9884, 10164, 10395, 10590, 10890, 11649, 12355, 12705, 12708, 13068, 13860, 14826, 15246, 15532, 15885, 16335, 16940, 19062, 19415, 20790, 21180, 21780, 22239, 22869, 23298, 24710, 25410, 27181, 29652, 30492, 31770, 32670, 34947, 37065, 38115, 38124, 38830, 41580, 42713, 44478, 45738, 46596, 47655, 49420, 50820, 54362, 58245, 63540, 65340, 66717, 69894, 74130, 76230, 77660, 81543, 85426, 88956, 91476, 95310, 104841, 108724, 111195, 114345, 116490, 128139, 133434, 135905, 139788, 148260, 152460, 163086, 170852, 174735, 190620, 209682, 213565, 222390, 228690, 232980, 244629, 256278, 266868, 271810, 298991, 326172, 333585, 349470, 384417, 407715, 419364, 427130, 444780, 457380, 489258, 512556, 524205, 543620, 597982, 640695, 667170, 698940, 733887, 768834, 815430, 854260, 896973, 978516, 1048410, 1153251, 1195964, 1223145, 1281390, 1334340, 1467774, 1494955, 1537668, 1630860, 1793946, 1922085, 2096820, 2306502, 2446290, 2562780, 2690919, 2935548, 2989910, 3587892, 3669435, 3844170, 4484865, 4613004, 4892580, 5381838, 5766255, 5979820, 7338870, 7688340, 8072757, 8969730, 10763676, 11532510, 13454595, 14677740, 16145514, 17939460, 23065020, 26909190, 32291028, 40363785, 53818380, 80727570, 161455140]

約数ペア:

[(1, 161455140), (2, 80727570), (3, 53818380), (4, 40363785), (5, 32291028), (6, 26909190), (7, 23065020), (9, 17939460), (10, 16145514), (11, 14677740), (12, 13454595), (14, 11532510), (15, 10763676), (18, 8969730), (20, 8072757), (21, 7688340), (22, 7338870), (27, 5979820), (28, 5766255), (30, 5381838), (33, 4892580), (35, 4613004), (36, 4484865), (42, 3844170), (44, 3669435), (45, 3587892), (54, 2989910), (55, 2935548), (60, 2690919), (63, 2562780), (66, 2446290), (70, 2306502), (77, 2096820), (84, 1922085), (90, 1793946), (99, 1630860), (105, 1537668), (108, 1494955), (110, 1467774), (121, 1334340), (126, 1281390), (132, 1223145), (135, 1195964), (140, 1153251), (154, 1048410), (165, 978516), (180, 896973), (189, 854260), (198, 815430), (210, 768834), (220, 733887), (231, 698940), (242, 667170), (252, 640695), (270, 597982), (297, 543620), (308, 524205), (315, 512556), (330, 489258), (353, 457380), (363, 444780), (378, 427130), (385, 419364), (396, 407715), (420, 384417), (462, 349470), (484, 333585), (495, 326172), (540, 298991), (594, 271810), (605, 266868), (630, 256278), (660, 244629), (693, 232980), (706, 228690), (726, 222390), (756, 213565), (770, 209682), (847, 190620), (924, 174735), (945, 170852), (990, 163086), (1059, 152460), (1089, 148260), (1155, 139788), (1188, 135905), (1210, 133434), (1260, 128139), (1386, 116490), (1412, 114345), (1452, 111195), (1485, 108724), (1540, 104841), (1694, 95310), (1765, 91476), (1815, 88956), (1890, 85426), (1980, 81543), (2079, 77660), (2118, 76230), (2178, 74130), (2310, 69894), (2420, 66717), (2471, 65340), (2541, 63540), (2772, 58245), (2970, 54362), (3177, 50820), (3267, 49420), (3388, 47655), (3465, 46596), (3530, 45738), (3630, 44478), (3780, 42713), (3883, 41580), (4158, 38830), (4235, 38124), (4236, 38115), (4356, 37065), (4620, 34947), (4942, 32670), (5082, 31770), (5295, 30492), (5445, 29652), (5940, 27181), (6354, 25410), (6534, 24710), (6930, 23298), (7060, 22869), (7260, 22239), (7413, 21780), (7623, 21180), (7766, 20790), (8316, 19415), (8470, 19062), (9531, 16940), (9884, 16335), (10164, 15885), (10395, 15532), (10590, 15246), (10890, 14826), (11649, 13860), (12355, 13068), (12705, 12708)]