71793540

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:528

約数の個数: 240

約数和(自身を含む): 277761792

約数和(自身を除く): 205968252

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, 252, 260, 270, 273, 315, 324, 351, 364, 378, 390, 405, 420, 455, 468, 487, 540, 546, 567, 585, 630, 702, 756, 780, 810, 819, 910, 945, 974, 1053, 1092, 1134, 1170, 1260, 1365, 1404, 1461, 1620, 1638, 1755, 1820, 1890, 1948, 2106, 2268, 2340, 2435, 2457, 2730, 2835, 2922, 3276, 3409, 3510, 3780, 4095, 4212, 4383, 4870, 4914, 5265, 5460, 5670, 5844, 6331, 6818, 7020, 7305, 7371, 8190, 8766, 9740, 9828, 10227, 10530, 11340, 12285, 12662, 13149, 13636, 14610, 14742, 16380, 17045, 17532, 18993, 20454, 21060, 21915, 24570, 25324, 26298, 29220, 29484, 30681, 31655, 34090, 36855, 37986, 39447, 40908, 43830, 44317, 49140, 51135, 52596, 56979, 61362, 63310, 65745, 68180, 73710, 75972, 78894, 87660, 88634, 92043, 94965, 102270, 113958, 122724, 126620, 131490, 132951, 147420, 153405, 157788, 170937, 177268, 184086, 189930, 197235, 204540, 221585, 227916, 262980, 265902, 276129, 284895, 306810, 341874, 368172, 379860, 394470, 398853, 443170, 460215, 512811, 531804, 552258, 569790, 613620, 664755, 683748, 788940, 797706, 854685, 886340, 920430, 1025622, 1104516, 1139580, 1196559, 1329510, 1380645, 1595412, 1709370, 1840860, 1994265, 2051244, 2393118, 2564055, 2659020, 2761290, 3418740, 3589677, 3988530, 4786236, 5128110, 5522580, 5982795, 7179354, 7977060, 10256220, 11965590, 14358708, 17948385, 23931180, 35896770, 71793540]

約数ペア:

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