320455440

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2909}}^1$

素因数の和:2951

約数の個数: 200

約数和(自身を含む): 1178864280

約数和(自身を除く): 858408840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 81, 85, 90, 102, 108, 120, 135, 136, 144, 153, 162, 170, 180, 204, 216, 240, 255, 270, 272, 306, 324, 340, 360, 405, 408, 432, 459, 510, 540, 612, 648, 680, 720, 765, 810, 816, 918, 1020, 1080, 1224, 1296, 1360, 1377, 1530, 1620, 1836, 2040, 2160, 2295, 2448, 2754, 2909, 3060, 3240, 3672, 4080, 4590, 5508, 5818, 6120, 6480, 6885, 7344, 8727, 9180, 11016, 11636, 12240, 13770, 14545, 17454, 18360, 22032, 23272, 26181, 27540, 29090, 34908, 36720, 43635, 46544, 49453, 52362, 55080, 58180, 69816, 78543, 87270, 98906, 104724, 110160, 116360, 130905, 139632, 148359, 157086, 174540, 197812, 209448, 232720, 235629, 247265, 261810, 296718, 314172, 349080, 392715, 395624, 418896, 445077, 471258, 494530, 523620, 593436, 628344, 698160, 741795, 785430, 791248, 890154, 942516, 989060, 1047240, 1178145, 1186872, 1256688, 1335231, 1483590, 1570860, 1780308, 1885032, 1978120, 2094480, 2225385, 2356290, 2373744, 2670462, 2967180, 3141720, 3560616, 3770064, 3956240, 4005693, 4450770, 4712580, 5340924, 5934360, 6283440, 6676155, 7121232, 8011386, 8901540, 9425160, 10681848, 11868720, 13352310, 16022772, 17803080, 18850320, 20028465, 21363696, 26704620, 32045544, 35606160, 40056930, 53409240, 64091088, 80113860, 106818480, 160227720, 320455440]

約数ペア:

[(1, 320455440), (2, 160227720), (3, 106818480), (4, 80113860), (5, 64091088), (6, 53409240), (8, 40056930), (9, 35606160), (10, 32045544), (12, 26704620), (15, 21363696), (16, 20028465), (17, 18850320), (18, 17803080), (20, 16022772), (24, 13352310), (27, 11868720), (30, 10681848), (34, 9425160), (36, 8901540), (40, 8011386), (45, 7121232), (48, 6676155), (51, 6283440), (54, 5934360), (60, 5340924), (68, 4712580), (72, 4450770), (80, 4005693), (81, 3956240), (85, 3770064), (90, 3560616), (102, 3141720), (108, 2967180), (120, 2670462), (135, 2373744), (136, 2356290), (144, 2225385), (153, 2094480), (162, 1978120), (170, 1885032), (180, 1780308), (204, 1570860), (216, 1483590), (240, 1335231), (255, 1256688), (270, 1186872), (272, 1178145), (306, 1047240), (324, 989060), (340, 942516), (360, 890154), (405, 791248), (408, 785430), (432, 741795), (459, 698160), (510, 628344), (540, 593436), (612, 523620), (648, 494530), (680, 471258), (720, 445077), (765, 418896), (810, 395624), (816, 392715), (918, 349080), (1020, 314172), (1080, 296718), (1224, 261810), (1296, 247265), (1360, 235629), (1377, 232720), (1530, 209448), (1620, 197812), (1836, 174540), (2040, 157086), (2160, 148359), (2295, 139632), (2448, 130905), (2754, 116360), (2909, 110160), (3060, 104724), (3240, 98906), (3672, 87270), (4080, 78543), (4590, 69816), (5508, 58180), (5818, 55080), (6120, 52362), (6480, 49453), (6885, 46544), (7344, 43635), (8727, 36720), (9180, 34908), (11016, 29090), (11636, 27540), (12240, 26181), (13770, 23272), (14545, 22032), (17454, 18360)]