217423080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{239}}^1$

素因数の和:301

約数の個数: 288

約数和(自身を含む): 855878400

約数和(自身を除く): 638455320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 239, 252, 266, 280, 285, 315, 342, 360, 361, 380, 399, 420, 456, 478, 504, 532, 570, 630, 665, 684, 717, 722, 760, 798, 840, 855, 956, 1064, 1083, 1140, 1195, 1197, 1260, 1330, 1368, 1434, 1444, 1596, 1673, 1710, 1805, 1912, 1995, 2151, 2166, 2280, 2390, 2394, 2520, 2527, 2660, 2868, 2888, 3192, 3249, 3346, 3420, 3585, 3610, 3990, 4302, 4332, 4541, 4780, 4788, 5019, 5054, 5320, 5415, 5736, 5985, 6498, 6692, 6840, 7170, 7220, 7581, 7980, 8365, 8604, 8664, 9082, 9560, 9576, 10038, 10108, 10755, 10830, 11970, 12635, 12996, 13384, 13623, 14340, 14440, 15057, 15162, 15960, 16245, 16730, 17208, 18164, 20076, 20216, 21510, 21660, 22705, 22743, 23940, 25095, 25270, 25992, 27246, 28680, 30114, 30324, 31787, 32490, 33460, 36328, 37905, 40152, 40869, 43020, 43320, 45410, 45486, 47880, 50190, 50540, 54492, 60228, 60648, 63574, 64980, 66920, 68115, 75285, 75810, 81738, 86040, 86279, 90820, 90972, 95361, 100380, 101080, 108984, 113715, 120456, 127148, 129960, 136230, 150570, 151620, 158935, 163476, 172558, 181640, 181944, 190722, 200760, 204345, 227430, 254296, 258837, 272460, 286083, 301140, 303240, 317870, 326952, 345116, 381444, 408690, 431395, 454860, 476805, 517674, 544920, 572166, 602280, 603953, 635740, 690232, 762888, 776511, 817380, 862790, 909720, 953610, 1035348, 1144332, 1207906, 1271480, 1294185, 1430415, 1553022, 1634760, 1725580, 1811859, 1907220, 2070696, 2288664, 2415812, 2588370, 2860830, 3019765, 3106044, 3451160, 3623718, 3814440, 3882555, 4831624, 5176740, 5435577, 5721660, 6039530, 6212088, 7247436, 7765110, 9059295, 10353480, 10871154, 11443320, 12079060, 14494872, 15530220, 18118590, 21742308, 24158120, 27177885, 31060440, 36237180, 43484616, 54355770, 72474360, 108711540, 217423080]

約数ペア:

[(1, 217423080), (2, 108711540), (3, 72474360), (4, 54355770), (5, 43484616), (6, 36237180), (7, 31060440), (8, 27177885), (9, 24158120), (10, 21742308), (12, 18118590), (14, 15530220), (15, 14494872), (18, 12079060), (19, 11443320), (20, 10871154), (21, 10353480), (24, 9059295), (28, 7765110), (30, 7247436), (35, 6212088), (36, 6039530), (38, 5721660), (40, 5435577), (42, 5176740), (45, 4831624), (56, 3882555), (57, 3814440), (60, 3623718), (63, 3451160), (70, 3106044), (72, 3019765), (76, 2860830), (84, 2588370), (90, 2415812), (95, 2288664), (105, 2070696), (114, 1907220), (120, 1811859), (126, 1725580), (133, 1634760), (140, 1553022), (152, 1430415), (168, 1294185), (171, 1271480), (180, 1207906), (190, 1144332), (210, 1035348), (228, 953610), (239, 909720), (252, 862790), (266, 817380), (280, 776511), (285, 762888), (315, 690232), (342, 635740), (360, 603953), (361, 602280), (380, 572166), (399, 544920), (420, 517674), (456, 476805), (478, 454860), (504, 431395), (532, 408690), (570, 381444), (630, 345116), (665, 326952), (684, 317870), (717, 303240), (722, 301140), (760, 286083), (798, 272460), (840, 258837), (855, 254296), (956, 227430), (1064, 204345), (1083, 200760), (1140, 190722), (1195, 181944), (1197, 181640), (1260, 172558), (1330, 163476), (1368, 158935), (1434, 151620), (1444, 150570), (1596, 136230), (1673, 129960), (1710, 127148), (1805, 120456), (1912, 113715), (1995, 108984), (2151, 101080), (2166, 100380), (2280, 95361), (2390, 90972), (2394, 90820), (2520, 86279), (2527, 86040), (2660, 81738), (2868, 75810), (2888, 75285), (3192, 68115), (3249, 66920), (3346, 64980), (3420, 63574), (3585, 60648), (3610, 60228), (3990, 54492), (4302, 50540), (4332, 50190), (4541, 47880), (4780, 45486), (4788, 45410), (5019, 43320), (5054, 43020), (5320, 40869), (5415, 40152), (5736, 37905), (5985, 36328), (6498, 33460), (6692, 32490), (6840, 31787), (7170, 30324), (7220, 30114), (7581, 28680), (7980, 27246), (8365, 25992), (8604, 25270), (8664, 25095), (9082, 23940), (9560, 22743), (9576, 22705), (10038, 21660), (10108, 21510), (10755, 20216), (10830, 20076), (11970, 18164), (12635, 17208), (12996, 16730), (13384, 16245), (13623, 15960), (14340, 15162), (14440, 15057)]