1311330720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{1019}}^1$

素因数の和:1427

約数の個数: 192

約数和(自身を含む): 4737761280

約数和(自身を除く): 3426430560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 383, 420, 480, 560, 672, 766, 840, 1019, 1120, 1149, 1532, 1680, 1915, 2038, 2298, 2681, 3057, 3064, 3360, 3830, 4076, 4596, 5095, 5362, 5745, 6114, 6128, 7133, 7660, 8043, 8152, 9192, 10190, 10724, 11490, 12228, 12256, 13405, 14266, 15285, 15320, 16086, 16304, 18384, 20380, 21399, 21448, 22980, 24456, 26810, 28532, 30570, 30640, 32172, 32608, 35665, 36768, 40215, 40760, 42798, 42896, 45960, 48912, 53620, 57064, 61140, 61280, 64344, 71330, 80430, 81520, 85596, 85792, 91920, 97824, 106995, 107240, 114128, 122280, 128688, 142660, 160860, 163040, 171192, 183840, 213990, 214480, 228256, 244560, 257376, 285320, 321720, 342384, 390277, 427980, 428960, 489120, 570640, 643440, 684768, 780554, 855960, 1141280, 1170831, 1286880, 1561108, 1711920, 1951385, 2341662, 2731939, 3122216, 3423840, 3902770, 4683324, 5463878, 5854155, 6244432, 7805540, 8195817, 9366648, 10927756, 11708310, 12488864, 13659695, 15611080, 16391634, 18733296, 21855512, 23416620, 27319390, 31222160, 32783268, 37466592, 40979085, 43711024, 46833240, 54638780, 62444320, 65566536, 81958170, 87422048, 93666480, 109277560, 131133072, 163916340, 187332960, 218555120, 262266144, 327832680, 437110240, 655665360, 1311330720]

約数ペア:

[(1, 1311330720), (2, 655665360), (3, 437110240), (4, 327832680), (5, 262266144), (6, 218555120), (7, 187332960), (8, 163916340), (10, 131133072), (12, 109277560), (14, 93666480), (15, 87422048), (16, 81958170), (20, 65566536), (21, 62444320), (24, 54638780), (28, 46833240), (30, 43711024), (32, 40979085), (35, 37466592), (40, 32783268), (42, 31222160), (48, 27319390), (56, 23416620), (60, 21855512), (70, 18733296), (80, 16391634), (84, 15611080), (96, 13659695), (105, 12488864), (112, 11708310), (120, 10927756), (140, 9366648), (160, 8195817), (168, 7805540), (210, 6244432), (224, 5854155), (240, 5463878), (280, 4683324), (336, 3902770), (383, 3423840), (420, 3122216), (480, 2731939), (560, 2341662), (672, 1951385), (766, 1711920), (840, 1561108), (1019, 1286880), (1120, 1170831), (1149, 1141280), (1532, 855960), (1680, 780554), (1915, 684768), (2038, 643440), (2298, 570640), (2681, 489120), (3057, 428960), (3064, 427980), (3360, 390277), (3830, 342384), (4076, 321720), (4596, 285320), (5095, 257376), (5362, 244560), (5745, 228256), (6114, 214480), (6128, 213990), (7133, 183840), (7660, 171192), (8043, 163040), (8152, 160860), (9192, 142660), (10190, 128688), (10724, 122280), (11490, 114128), (12228, 107240), (12256, 106995), (13405, 97824), (14266, 91920), (15285, 85792), (15320, 85596), (16086, 81520), (16304, 80430), (18384, 71330), (20380, 64344), (21399, 61280), (21448, 61140), (22980, 57064), (24456, 53620), (26810, 48912), (28532, 45960), (30570, 42896), (30640, 42798), (32172, 40760), (32608, 40215), (35665, 36768)]