28909761720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{13121}}^1$

素因数の和:13246

約数の個数: 256

約数和(自身を含む): 103094830080

約数和(自身を除く): 74185068360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 61, 70, 84, 86, 105, 120, 122, 129, 140, 168, 172, 183, 210, 215, 244, 258, 280, 301, 305, 344, 366, 420, 427, 430, 488, 516, 602, 610, 645, 732, 840, 854, 860, 903, 915, 1032, 1204, 1220, 1281, 1290, 1464, 1505, 1708, 1720, 1806, 1830, 2135, 2408, 2440, 2562, 2580, 2623, 3010, 3416, 3612, 3660, 4270, 4515, 5124, 5160, 5246, 6020, 6405, 7224, 7320, 7869, 8540, 9030, 10248, 10492, 12040, 12810, 13115, 13121, 15738, 17080, 18060, 18361, 20984, 25620, 26230, 26242, 31476, 36120, 36722, 39345, 39363, 51240, 52460, 52484, 55083, 62952, 65605, 73444, 78690, 78726, 91805, 91847, 104920, 104968, 110166, 131210, 146888, 157380, 157452, 183610, 183694, 196815, 220332, 262420, 275415, 275541, 314760, 314904, 367220, 367388, 393630, 440664, 459235, 524840, 550830, 551082, 564203, 734440, 734776, 787260, 800381, 918470, 1101660, 1102164, 1128406, 1377705, 1574520, 1600762, 1692609, 1836940, 2203320, 2204328, 2256812, 2401143, 2755410, 2821015, 3201524, 3385218, 3673880, 3949421, 4001905, 4513624, 4802286, 5510820, 5602667, 5642030, 6403048, 6770436, 7898842, 8003810, 8463045, 9604572, 11021640, 11205334, 11284060, 11848263, 12005715, 13540872, 15797684, 16007620, 16808001, 16926090, 19209144, 19747105, 22410668, 22568120, 23696526, 24011430, 28013335, 31595368, 32015240, 33616002, 33852180, 34416383, 39494210, 44821336, 47393052, 48022860, 56026670, 59241315, 67232004, 67704360, 68832766, 78988420, 84040005, 94786104, 96045720, 103249149, 112053340, 118482630, 134464008, 137665532, 157976840, 168080010, 172081915, 206498298, 224106680, 236965260, 240914681, 275331064, 336160020, 344163830, 412996596, 473930520, 481829362, 516245745, 672320040, 688327660, 722744043, 825993192, 963658724, 1032491490, 1204573405, 1376655320, 1445488086, 1927317448, 2064982980, 2409146810, 2890976172, 3613720215, 4129965960, 4818293620, 5781952344, 7227440430, 9636587240, 14454880860, 28909761720]

約数ペア:

[(1, 28909761720), (2, 14454880860), (3, 9636587240), (4, 7227440430), (5, 5781952344), (6, 4818293620), (7, 4129965960), (8, 3613720215), (10, 2890976172), (12, 2409146810), (14, 2064982980), (15, 1927317448), (20, 1445488086), (21, 1376655320), (24, 1204573405), (28, 1032491490), (30, 963658724), (35, 825993192), (40, 722744043), (42, 688327660), (43, 672320040), (56, 516245745), (60, 481829362), (61, 473930520), (70, 412996596), (84, 344163830), (86, 336160020), (105, 275331064), (120, 240914681), (122, 236965260), (129, 224106680), (140, 206498298), (168, 172081915), (172, 168080010), (183, 157976840), (210, 137665532), (215, 134464008), (244, 118482630), (258, 112053340), (280, 103249149), (301, 96045720), (305, 94786104), (344, 84040005), (366, 78988420), (420, 68832766), (427, 67704360), (430, 67232004), (488, 59241315), (516, 56026670), (602, 48022860), (610, 47393052), (645, 44821336), (732, 39494210), (840, 34416383), (854, 33852180), (860, 33616002), (903, 32015240), (915, 31595368), (1032, 28013335), (1204, 24011430), (1220, 23696526), (1281, 22568120), (1290, 22410668), (1464, 19747105), (1505, 19209144), (1708, 16926090), (1720, 16808001), (1806, 16007620), (1830, 15797684), (2135, 13540872), (2408, 12005715), (2440, 11848263), (2562, 11284060), (2580, 11205334), (2623, 11021640), (3010, 9604572), (3416, 8463045), (3612, 8003810), (3660, 7898842), (4270, 6770436), (4515, 6403048), (5124, 5642030), (5160, 5602667), (5246, 5510820), (6020, 4802286), (6405, 4513624), (7224, 4001905), (7320, 3949421), (7869, 3673880), (8540, 3385218), (9030, 3201524), (10248, 2821015), (10492, 2755410), (12040, 2401143), (12810, 2256812), (13115, 2204328), (13121, 2203320), (15738, 1836940), (17080, 1692609), (18060, 1600762), (18361, 1574520), (20984, 1377705), (25620, 1128406), (26230, 1102164), (26242, 1101660), (31476, 918470), (36120, 800381), (36722, 787260), (39345, 734776), (39363, 734440), (51240, 564203), (52460, 551082), (52484, 550830), (55083, 524840), (62952, 459235), (65605, 440664), (73444, 393630), (78690, 367388), (78726, 367220), (91805, 314904), (91847, 314760), (104920, 275541), (104968, 275415), (110166, 262420), (131210, 220332), (146888, 196815), (157380, 183694), (157452, 183610)]