488690640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:434

約数の個数: 240

約数和(自身を含む): 1746763200

約数和(自身を除く): 1258072560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 139, 144, 152, 171, 180, 190, 228, 240, 257, 278, 285, 304, 342, 360, 380, 417, 456, 514, 556, 570, 684, 695, 720, 760, 771, 834, 855, 912, 1028, 1112, 1140, 1251, 1285, 1368, 1390, 1520, 1542, 1668, 1710, 2056, 2085, 2224, 2280, 2313, 2502, 2570, 2641, 2736, 2780, 3084, 3336, 3420, 3855, 4112, 4170, 4560, 4626, 4883, 5004, 5140, 5282, 5560, 6168, 6255, 6672, 6840, 7710, 7923, 8340, 9252, 9766, 10008, 10280, 10564, 11120, 11565, 12336, 12510, 13205, 13680, 14649, 15420, 15846, 16680, 18504, 19532, 20016, 20560, 21128, 23130, 23769, 24415, 25020, 26410, 29298, 30840, 31692, 33360, 35723, 37008, 39064, 39615, 42256, 43947, 46260, 47538, 48830, 50040, 52820, 58596, 61680, 63384, 71446, 73245, 78128, 79230, 87894, 92520, 95076, 97660, 100080, 105640, 107169, 117192, 118845, 126768, 142892, 146490, 158460, 175788, 178615, 185040, 190152, 195320, 211280, 214338, 219735, 234384, 237690, 285784, 292980, 316920, 321507, 351576, 357230, 380304, 390640, 428676, 439470, 475380, 535845, 571568, 585960, 633840, 643014, 678737, 703152, 714460, 857352, 878940, 950760, 1071690, 1171920, 1286028, 1357474, 1428920, 1607535, 1714704, 1757880, 1901520, 2036211, 2143380, 2572056, 2714948, 2857840, 3215070, 3393685, 3515760, 4072422, 4286760, 5144112, 5429896, 6108633, 6430140, 6787370, 8144844, 8573520, 10181055, 10859792, 12217266, 12860280, 13574740, 16289688, 20362110, 24434532, 25720560, 27149480, 30543165, 32579376, 40724220, 48869064, 54298960, 61086330, 81448440, 97738128, 122172660, 162896880, 244345320, 488690640]

約数ペア:

[(1, 488690640), (2, 244345320), (3, 162896880), (4, 122172660), (5, 97738128), (6, 81448440), (8, 61086330), (9, 54298960), (10, 48869064), (12, 40724220), (15, 32579376), (16, 30543165), (18, 27149480), (19, 25720560), (20, 24434532), (24, 20362110), (30, 16289688), (36, 13574740), (38, 12860280), (40, 12217266), (45, 10859792), (48, 10181055), (57, 8573520), (60, 8144844), (72, 6787370), (76, 6430140), (80, 6108633), (90, 5429896), (95, 5144112), (114, 4286760), (120, 4072422), (139, 3515760), (144, 3393685), (152, 3215070), (171, 2857840), (180, 2714948), (190, 2572056), (228, 2143380), (240, 2036211), (257, 1901520), (278, 1757880), (285, 1714704), (304, 1607535), (342, 1428920), (360, 1357474), (380, 1286028), (417, 1171920), (456, 1071690), (514, 950760), (556, 878940), (570, 857352), (684, 714460), (695, 703152), (720, 678737), (760, 643014), (771, 633840), (834, 585960), (855, 571568), (912, 535845), (1028, 475380), (1112, 439470), (1140, 428676), (1251, 390640), (1285, 380304), (1368, 357230), (1390, 351576), (1520, 321507), (1542, 316920), (1668, 292980), (1710, 285784), (2056, 237690), (2085, 234384), (2224, 219735), (2280, 214338), (2313, 211280), (2502, 195320), (2570, 190152), (2641, 185040), (2736, 178615), (2780, 175788), (3084, 158460), (3336, 146490), (3420, 142892), (3855, 126768), (4112, 118845), (4170, 117192), (4560, 107169), (4626, 105640), (4883, 100080), (5004, 97660), (5140, 95076), (5282, 92520), (5560, 87894), (6168, 79230), (6255, 78128), (6672, 73245), (6840, 71446), (7710, 63384), (7923, 61680), (8340, 58596), (9252, 52820), (9766, 50040), (10008, 48830), (10280, 47538), (10564, 46260), (11120, 43947), (11565, 42256), (12336, 39615), (12510, 39064), (13205, 37008), (13680, 35723), (14649, 33360), (15420, 31692), (15846, 30840), (16680, 29298), (18504, 26410), (19532, 25020), (20016, 24415), (20560, 23769), (21128, 23130)]