72389700

素因数分解:

$2^2\times 3^7\times 5^2\times {\mathrm{331}}^1$

素因数の和:366

約数の個数: 144

約数和(自身を含む): 236304320

約数和(自身を除く): 163914620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 300, 324, 331, 405, 450, 486, 540, 662, 675, 729, 810, 900, 972, 993, 1215, 1324, 1350, 1458, 1620, 1655, 1986, 2025, 2187, 2430, 2700, 2916, 2979, 3310, 3645, 3972, 4050, 4374, 4860, 4965, 5958, 6075, 6620, 7290, 8100, 8275, 8748, 8937, 9930, 10935, 11916, 12150, 14580, 14895, 16550, 17874, 18225, 19860, 21870, 24300, 24825, 26811, 29790, 33100, 35748, 36450, 43740, 44685, 49650, 53622, 54675, 59580, 72900, 74475, 80433, 89370, 99300, 107244, 109350, 134055, 148950, 160866, 178740, 218700, 223425, 241299, 268110, 297900, 321732, 402165, 446850, 482598, 536220, 670275, 723897, 804330, 893700, 965196, 1206495, 1340550, 1447794, 1608660, 2010825, 2412990, 2681100, 2895588, 3619485, 4021650, 4825980, 6032475, 7238970, 8043300, 12064950, 14477940, 18097425, 24129900, 36194850, 72389700]

約数ペア:

[(1, 72389700), (2, 36194850), (3, 24129900), (4, 18097425), (5, 14477940), (6, 12064950), (9, 8043300), (10, 7238970), (12, 6032475), (15, 4825980), (18, 4021650), (20, 3619485), (25, 2895588), (27, 2681100), (30, 2412990), (36, 2010825), (45, 1608660), (50, 1447794), (54, 1340550), (60, 1206495), (75, 965196), (81, 893700), (90, 804330), (100, 723897), (108, 670275), (135, 536220), (150, 482598), (162, 446850), (180, 402165), (225, 321732), (243, 297900), (270, 268110), (300, 241299), (324, 223425), (331, 218700), (405, 178740), (450, 160866), (486, 148950), (540, 134055), (662, 109350), (675, 107244), (729, 99300), (810, 89370), (900, 80433), (972, 74475), (993, 72900), (1215, 59580), (1324, 54675), (1350, 53622), (1458, 49650), (1620, 44685), (1655, 43740), (1986, 36450), (2025, 35748), (2187, 33100), (2430, 29790), (2700, 26811), (2916, 24825), (2979, 24300), (3310, 21870), (3645, 19860), (3972, 18225), (4050, 17874), (4374, 16550), (4860, 14895), (4965, 14580), (5958, 12150), (6075, 11916), (6620, 10935), (7290, 9930), (8100, 8937), (8275, 8748)]