30981720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{479}}^1$

素因数の和:518

約数の個数: 192

約数和(自身を含む): 118195200

約数和(自身を除く): 87213480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 49, 55, 56, 60, 66, 70, 77, 84, 88, 98, 105, 110, 120, 132, 140, 147, 154, 165, 168, 196, 210, 220, 231, 245, 264, 280, 294, 308, 330, 385, 392, 420, 440, 462, 479, 490, 539, 588, 616, 660, 735, 770, 840, 924, 958, 980, 1078, 1155, 1176, 1320, 1437, 1470, 1540, 1617, 1848, 1916, 1960, 2156, 2310, 2395, 2695, 2874, 2940, 3080, 3234, 3353, 3832, 4312, 4620, 4790, 5269, 5390, 5748, 5880, 6468, 6706, 7185, 8085, 9240, 9580, 10059, 10538, 10780, 11496, 12936, 13412, 14370, 15807, 16170, 16765, 19160, 20118, 21076, 21560, 23471, 26345, 26824, 28740, 31614, 32340, 33530, 36883, 40236, 42152, 46942, 50295, 52690, 57480, 63228, 64680, 67060, 70413, 73766, 79035, 80472, 93884, 100590, 105380, 110649, 117355, 126456, 134120, 140826, 147532, 158070, 184415, 187768, 201180, 210760, 221298, 234710, 258181, 281652, 295064, 316140, 352065, 368830, 402360, 442596, 469420, 516362, 553245, 563304, 632280, 704130, 737660, 774543, 885192, 938840, 1032724, 1106490, 1290905, 1408260, 1475320, 1549086, 2065448, 2212980, 2581810, 2816520, 3098172, 3872715, 4425960, 5163620, 6196344, 7745430, 10327240, 15490860, 30981720]

約数ペア:

[(1, 30981720), (2, 15490860), (3, 10327240), (4, 7745430), (5, 6196344), (6, 5163620), (7, 4425960), (8, 3872715), (10, 3098172), (11, 2816520), (12, 2581810), (14, 2212980), (15, 2065448), (20, 1549086), (21, 1475320), (22, 1408260), (24, 1290905), (28, 1106490), (30, 1032724), (33, 938840), (35, 885192), (40, 774543), (42, 737660), (44, 704130), (49, 632280), (55, 563304), (56, 553245), (60, 516362), (66, 469420), (70, 442596), (77, 402360), (84, 368830), (88, 352065), (98, 316140), (105, 295064), (110, 281652), (120, 258181), (132, 234710), (140, 221298), (147, 210760), (154, 201180), (165, 187768), (168, 184415), (196, 158070), (210, 147532), (220, 140826), (231, 134120), (245, 126456), (264, 117355), (280, 110649), (294, 105380), (308, 100590), (330, 93884), (385, 80472), (392, 79035), (420, 73766), (440, 70413), (462, 67060), (479, 64680), (490, 63228), (539, 57480), (588, 52690), (616, 50295), (660, 46942), (735, 42152), (770, 40236), (840, 36883), (924, 33530), (958, 32340), (980, 31614), (1078, 28740), (1155, 26824), (1176, 26345), (1320, 23471), (1437, 21560), (1470, 21076), (1540, 20118), (1617, 19160), (1848, 16765), (1916, 16170), (1960, 15807), (2156, 14370), (2310, 13412), (2395, 12936), (2695, 11496), (2874, 10780), (2940, 10538), (3080, 10059), (3234, 9580), (3353, 9240), (3832, 8085), (4312, 7185), (4620, 6706), (4790, 6468), (5269, 5880), (5390, 5748)]