64436220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 209139840

約数和(自身を除く): 144703620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 83, 90, 95, 114, 166, 171, 180, 190, 227, 228, 249, 285, 332, 342, 380, 415, 454, 498, 570, 681, 684, 747, 830, 855, 908, 996, 1135, 1140, 1245, 1362, 1494, 1577, 1660, 1710, 2043, 2270, 2490, 2724, 2988, 3154, 3405, 3420, 3735, 4086, 4313, 4540, 4731, 4980, 6308, 6810, 7470, 7885, 8172, 8626, 9462, 10215, 12939, 13620, 14193, 14940, 15770, 17252, 18841, 18924, 20430, 21565, 23655, 25878, 28386, 31540, 37682, 38817, 40860, 43130, 47310, 51756, 56523, 56772, 64695, 70965, 75364, 77634, 86260, 94205, 94620, 113046, 129390, 141930, 155268, 169569, 188410, 194085, 226092, 258780, 282615, 283860, 339138, 357979, 376820, 388170, 565230, 678276, 715958, 776340, 847845, 1073937, 1130460, 1431916, 1695690, 1789895, 2147874, 3221811, 3391380, 3579790, 4295748, 5369685, 6443622, 7159580, 10739370, 12887244, 16109055, 21478740, 32218110, 64436220]

約数ペア:

[(1, 64436220), (2, 32218110), (3, 21478740), (4, 16109055), (5, 12887244), (6, 10739370), (9, 7159580), (10, 6443622), (12, 5369685), (15, 4295748), (18, 3579790), (19, 3391380), (20, 3221811), (30, 2147874), (36, 1789895), (38, 1695690), (45, 1431916), (57, 1130460), (60, 1073937), (76, 847845), (83, 776340), (90, 715958), (95, 678276), (114, 565230), (166, 388170), (171, 376820), (180, 357979), (190, 339138), (227, 283860), (228, 282615), (249, 258780), (285, 226092), (332, 194085), (342, 188410), (380, 169569), (415, 155268), (454, 141930), (498, 129390), (570, 113046), (681, 94620), (684, 94205), (747, 86260), (830, 77634), (855, 75364), (908, 70965), (996, 64695), (1135, 56772), (1140, 56523), (1245, 51756), (1362, 47310), (1494, 43130), (1577, 40860), (1660, 38817), (1710, 37682), (2043, 31540), (2270, 28386), (2490, 25878), (2724, 23655), (2988, 21565), (3154, 20430), (3405, 18924), (3420, 18841), (3735, 17252), (4086, 15770), (4313, 14940), (4540, 14193), (4731, 13620), (4980, 12939), (6308, 10215), (6810, 9462), (7470, 8626), (7885, 8172)]