305259480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1674

約数の個数: 192

約数和(自身を含む): 1085011200

約数和(自身を除く): 779751720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 51, 60, 62, 68, 72, 85, 90, 93, 102, 120, 124, 136, 153, 155, 170, 180, 186, 204, 248, 255, 279, 306, 310, 340, 360, 372, 408, 465, 510, 527, 558, 612, 620, 680, 744, 765, 930, 1020, 1054, 1116, 1224, 1240, 1395, 1530, 1581, 1609, 1860, 2040, 2108, 2232, 2635, 2790, 3060, 3162, 3218, 3720, 4216, 4743, 4827, 5270, 5580, 6120, 6324, 6436, 7905, 8045, 9486, 9654, 10540, 11160, 12648, 12872, 14481, 15810, 16090, 18972, 19308, 21080, 23715, 24135, 27353, 28962, 31620, 32180, 37944, 38616, 47430, 48270, 49879, 54706, 57924, 63240, 64360, 72405, 82059, 94860, 96540, 99758, 109412, 115848, 136765, 144810, 149637, 164118, 189720, 193080, 199516, 218824, 246177, 249395, 273530, 289620, 299274, 328236, 399032, 410295, 448911, 492354, 498790, 547060, 579240, 598548, 656472, 748185, 820590, 847943, 897822, 984708, 997580, 1094120, 1197096, 1230885, 1496370, 1641180, 1695886, 1795644, 1969416, 1995160, 2244555, 2461770, 2543829, 2992740, 3282360, 3391772, 3591288, 4239715, 4489110, 4923540, 5087658, 5985480, 6783544, 7631487, 8479430, 8978220, 9847080, 10175316, 12719145, 15262974, 16958860, 17956440, 20350632, 25438290, 30525948, 33917720, 38157435, 50876580, 61051896, 76314870, 101753160, 152629740, 305259480]

約数ペア:

[(1, 305259480), (2, 152629740), (3, 101753160), (4, 76314870), (5, 61051896), (6, 50876580), (8, 38157435), (9, 33917720), (10, 30525948), (12, 25438290), (15, 20350632), (17, 17956440), (18, 16958860), (20, 15262974), (24, 12719145), (30, 10175316), (31, 9847080), (34, 8978220), (36, 8479430), (40, 7631487), (45, 6783544), (51, 5985480), (60, 5087658), (62, 4923540), (68, 4489110), (72, 4239715), (85, 3591288), (90, 3391772), (93, 3282360), (102, 2992740), (120, 2543829), (124, 2461770), (136, 2244555), (153, 1995160), (155, 1969416), (170, 1795644), (180, 1695886), (186, 1641180), (204, 1496370), (248, 1230885), (255, 1197096), (279, 1094120), (306, 997580), (310, 984708), (340, 897822), (360, 847943), (372, 820590), (408, 748185), (465, 656472), (510, 598548), (527, 579240), (558, 547060), (612, 498790), (620, 492354), (680, 448911), (744, 410295), (765, 399032), (930, 328236), (1020, 299274), (1054, 289620), (1116, 273530), (1224, 249395), (1240, 246177), (1395, 218824), (1530, 199516), (1581, 193080), (1609, 189720), (1860, 164118), (2040, 149637), (2108, 144810), (2232, 136765), (2635, 115848), (2790, 109412), (3060, 99758), (3162, 96540), (3218, 94860), (3720, 82059), (4216, 72405), (4743, 64360), (4827, 63240), (5270, 57924), (5580, 54706), (6120, 49879), (6324, 48270), (6436, 47430), (7905, 38616), (8045, 37944), (9486, 32180), (9654, 31620), (10540, 28962), (11160, 27353), (12648, 24135), (12872, 23715), (14481, 21080), (15810, 19308), (16090, 18972)]