215380620

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:531

約数の個数: 288

約数和(自身を含む): 835580928

約数和(自身を除く): 620200308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 81, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 162, 180, 182, 189, 195, 210, 234, 243, 252, 260, 270, 273, 315, 324, 351, 364, 378, 390, 405, 420, 455, 468, 486, 487, 540, 546, 567, 585, 630, 702, 756, 780, 810, 819, 910, 945, 972, 974, 1053, 1092, 1134, 1170, 1215, 1260, 1365, 1404, 1461, 1620, 1638, 1701, 1755, 1820, 1890, 1948, 2106, 2268, 2340, 2430, 2435, 2457, 2730, 2835, 2922, 3159, 3276, 3402, 3409, 3510, 3780, 4095, 4212, 4383, 4860, 4870, 4914, 5265, 5460, 5670, 5844, 6318, 6331, 6804, 6818, 7020, 7305, 7371, 8190, 8505, 8766, 9740, 9828, 10227, 10530, 11340, 12285, 12636, 12662, 13149, 13636, 14610, 14742, 15795, 16380, 17010, 17045, 17532, 18993, 20454, 21060, 21915, 22113, 24570, 25324, 26298, 29220, 29484, 30681, 31590, 31655, 34020, 34090, 36855, 37986, 39447, 40908, 43830, 44226, 44317, 49140, 51135, 52596, 56979, 61362, 63180, 63310, 65745, 68180, 73710, 75972, 78894, 87660, 88452, 88634, 92043, 94965, 102270, 110565, 113958, 118341, 122724, 126620, 131490, 132951, 147420, 153405, 157788, 170937, 177268, 184086, 189930, 197235, 204540, 221130, 221585, 227916, 236682, 262980, 265902, 276129, 284895, 306810, 341874, 368172, 379860, 394470, 398853, 442260, 443170, 460215, 473364, 512811, 531804, 552258, 569790, 591705, 613620, 664755, 683748, 788940, 797706, 828387, 854685, 886340, 920430, 1025622, 1104516, 1139580, 1183410, 1196559, 1329510, 1380645, 1538433, 1595412, 1656774, 1709370, 1840860, 1994265, 2051244, 2366820, 2393118, 2564055, 2659020, 2761290, 3076866, 3313548, 3418740, 3589677, 3988530, 4141935, 4786236, 5128110, 5522580, 5982795, 6153732, 7179354, 7692165, 7977060, 8283870, 10256220, 10769031, 11965590, 14358708, 15384330, 16567740, 17948385, 21538062, 23931180, 30768660, 35896770, 43076124, 53845155, 71793540, 107690310, 215380620]

約数ペア:

[(1, 215380620), (2, 107690310), (3, 71793540), (4, 53845155), (5, 43076124), (6, 35896770), (7, 30768660), (9, 23931180), (10, 21538062), (12, 17948385), (13, 16567740), (14, 15384330), (15, 14358708), (18, 11965590), (20, 10769031), (21, 10256220), (26, 8283870), (27, 7977060), (28, 7692165), (30, 7179354), (35, 6153732), (36, 5982795), (39, 5522580), (42, 5128110), (45, 4786236), (52, 4141935), (54, 3988530), (60, 3589677), (63, 3418740), (65, 3313548), (70, 3076866), (78, 2761290), (81, 2659020), (84, 2564055), (90, 2393118), (91, 2366820), (105, 2051244), (108, 1994265), (117, 1840860), (126, 1709370), (130, 1656774), (135, 1595412), (140, 1538433), (156, 1380645), (162, 1329510), (180, 1196559), (182, 1183410), (189, 1139580), (195, 1104516), (210, 1025622), (234, 920430), (243, 886340), (252, 854685), (260, 828387), (270, 797706), (273, 788940), (315, 683748), (324, 664755), (351, 613620), (364, 591705), (378, 569790), (390, 552258), (405, 531804), (420, 512811), (455, 473364), (468, 460215), (486, 443170), (487, 442260), (540, 398853), (546, 394470), (567, 379860), (585, 368172), (630, 341874), (702, 306810), (756, 284895), (780, 276129), (810, 265902), (819, 262980), (910, 236682), (945, 227916), (972, 221585), (974, 221130), (1053, 204540), (1092, 197235), (1134, 189930), (1170, 184086), (1215, 177268), (1260, 170937), (1365, 157788), (1404, 153405), (1461, 147420), (1620, 132951), (1638, 131490), (1701, 126620), (1755, 122724), (1820, 118341), (1890, 113958), (1948, 110565), (2106, 102270), (2268, 94965), (2340, 92043), (2430, 88634), (2435, 88452), (2457, 87660), (2730, 78894), (2835, 75972), (2922, 73710), (3159, 68180), (3276, 65745), (3402, 63310), (3409, 63180), (3510, 61362), (3780, 56979), (4095, 52596), (4212, 51135), (4383, 49140), (4860, 44317), (4870, 44226), (4914, 43830), (5265, 40908), (5460, 39447), (5670, 37986), (5844, 36855), (6318, 34090), (6331, 34020), (6804, 31655), (6818, 31590), (7020, 30681), (7305, 29484), (7371, 29220), (8190, 26298), (8505, 25324), (8766, 24570), (9740, 22113), (9828, 21915), (10227, 21060), (10530, 20454), (11340, 18993), (12285, 17532), (12636, 17045), (12662, 17010), (13149, 16380), (13636, 15795), (14610, 14742)]