321587640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{281}}^1$

素因数の和:343

約数の個数: 288

約数和(自身を含む): 1215498960

約数和(自身を除く): 893911320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 51, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 110, 120, 132, 136, 153, 165, 170, 180, 187, 198, 204, 220, 255, 264, 281, 289, 306, 330, 340, 360, 374, 396, 408, 440, 495, 510, 561, 562, 578, 612, 660, 680, 748, 765, 792, 843, 867, 935, 990, 1020, 1122, 1124, 1156, 1224, 1320, 1405, 1445, 1496, 1530, 1683, 1686, 1734, 1870, 1980, 2040, 2244, 2248, 2312, 2529, 2601, 2805, 2810, 2890, 3060, 3091, 3179, 3366, 3372, 3468, 3740, 3960, 4215, 4335, 4488, 4777, 5058, 5202, 5610, 5620, 5780, 6120, 6182, 6358, 6732, 6744, 6936, 7480, 8415, 8430, 8670, 9273, 9537, 9554, 10116, 10404, 11220, 11240, 11560, 12364, 12645, 12716, 13005, 13464, 14331, 15455, 15895, 16830, 16860, 17340, 18546, 19074, 19108, 20232, 20808, 22440, 23885, 24728, 25290, 25432, 26010, 27819, 28611, 28662, 30910, 31790, 33660, 33720, 34680, 37092, 38148, 38216, 42993, 46365, 47685, 47770, 50580, 52020, 52547, 55638, 57222, 57324, 61820, 63580, 67320, 71655, 74184, 76296, 81209, 85986, 92730, 95370, 95540, 101160, 104040, 105094, 111276, 114444, 114648, 123640, 127160, 139095, 143055, 143310, 157641, 162418, 171972, 185460, 190740, 191080, 210188, 214965, 222552, 228888, 243627, 262735, 278190, 286110, 286620, 315282, 324836, 343944, 370920, 381480, 406045, 420376, 429930, 472923, 487254, 525470, 556380, 572220, 573240, 630564, 649672, 730881, 788205, 812090, 859860, 893299, 945846, 974508, 1050940, 1112760, 1144440, 1218135, 1261128, 1461762, 1576410, 1624180, 1719720, 1786598, 1891692, 1949016, 2101880, 2364615, 2436270, 2679897, 2923524, 3152820, 3248360, 3573196, 3654405, 3783384, 4466495, 4729230, 4872540, 5359794, 5847048, 6305640, 7146392, 7308810, 8039691, 8932990, 9458460, 9745080, 10719588, 13399485, 14617620, 16079382, 17865980, 18916920, 21439176, 26798970, 29235240, 32158764, 35731960, 40198455, 53597940, 64317528, 80396910, 107195880, 160793820, 321587640]

約数ペア:

[(1, 321587640), (2, 160793820), (3, 107195880), (4, 80396910), (5, 64317528), (6, 53597940), (8, 40198455), (9, 35731960), (10, 32158764), (11, 29235240), (12, 26798970), (15, 21439176), (17, 18916920), (18, 17865980), (20, 16079382), (22, 14617620), (24, 13399485), (30, 10719588), (33, 9745080), (34, 9458460), (36, 8932990), (40, 8039691), (44, 7308810), (45, 7146392), (51, 6305640), (55, 5847048), (60, 5359794), (66, 4872540), (68, 4729230), (72, 4466495), (85, 3783384), (88, 3654405), (90, 3573196), (99, 3248360), (102, 3152820), (110, 2923524), (120, 2679897), (132, 2436270), (136, 2364615), (153, 2101880), (165, 1949016), (170, 1891692), (180, 1786598), (187, 1719720), (198, 1624180), (204, 1576410), (220, 1461762), (255, 1261128), (264, 1218135), (281, 1144440), (289, 1112760), (306, 1050940), (330, 974508), (340, 945846), (360, 893299), (374, 859860), (396, 812090), (408, 788205), (440, 730881), (495, 649672), (510, 630564), (561, 573240), (562, 572220), (578, 556380), (612, 525470), (660, 487254), (680, 472923), (748, 429930), (765, 420376), (792, 406045), (843, 381480), (867, 370920), (935, 343944), (990, 324836), (1020, 315282), (1122, 286620), (1124, 286110), (1156, 278190), (1224, 262735), (1320, 243627), (1405, 228888), (1445, 222552), (1496, 214965), (1530, 210188), (1683, 191080), (1686, 190740), (1734, 185460), (1870, 171972), (1980, 162418), (2040, 157641), (2244, 143310), (2248, 143055), (2312, 139095), (2529, 127160), (2601, 123640), (2805, 114648), (2810, 114444), (2890, 111276), (3060, 105094), (3091, 104040), (3179, 101160), (3366, 95540), (3372, 95370), (3468, 92730), (3740, 85986), (3960, 81209), (4215, 76296), (4335, 74184), (4488, 71655), (4777, 67320), (5058, 63580), (5202, 61820), (5610, 57324), (5620, 57222), (5780, 55638), (6120, 52547), (6182, 52020), (6358, 50580), (6732, 47770), (6744, 47685), (6936, 46365), (7480, 42993), (8415, 38216), (8430, 38148), (8670, 37092), (9273, 34680), (9537, 33720), (9554, 33660), (10116, 31790), (10404, 30910), (11220, 28662), (11240, 28611), (11560, 27819), (12364, 26010), (12645, 25432), (12716, 25290), (13005, 24728), (13464, 23885), (14331, 22440), (15455, 20808), (15895, 20232), (16830, 19108), (16860, 19074), (17340, 18546)]