80900100

素因数分解:

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

素因数の和:144

約数の個数: 216

約数和(自身を含む): 277794720

約数和(自身を除く): 196894620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 75, 76, 83, 90, 95, 100, 108, 114, 135, 150, 166, 171, 180, 190, 225, 228, 249, 270, 285, 300, 332, 342, 361, 380, 415, 450, 475, 498, 513, 540, 570, 675, 684, 722, 747, 830, 855, 900, 950, 996, 1026, 1083, 1140, 1245, 1350, 1425, 1444, 1494, 1577, 1660, 1710, 1805, 1900, 2052, 2075, 2166, 2241, 2490, 2565, 2700, 2850, 2988, 3154, 3249, 3420, 3610, 3735, 4150, 4275, 4332, 4482, 4731, 4980, 5130, 5415, 5700, 6225, 6308, 6498, 7220, 7470, 7885, 8300, 8550, 8964, 9025, 9462, 9747, 10260, 10830, 11205, 12450, 12825, 12996, 14193, 14940, 15770, 16245, 17100, 18050, 18675, 18924, 19494, 21660, 22410, 23655, 24900, 25650, 27075, 28386, 29963, 31540, 32490, 36100, 37350, 38988, 39425, 42579, 44820, 47310, 48735, 51300, 54150, 56025, 56772, 59926, 64980, 70965, 74700, 78850, 81225, 85158, 89889, 94620, 97470, 108300, 112050, 118275, 119852, 141930, 149815, 157700, 162450, 170316, 179778, 194940, 212895, 224100, 236550, 243675, 269667, 283860, 299630, 324900, 354825, 359556, 425790, 449445, 473100, 487350, 539334, 599260, 709650, 749075, 809001, 851580, 898890, 974700, 1064475, 1078668, 1348335, 1419300, 1498150, 1618002, 1797780, 2128950, 2247225, 2696670, 2996300, 3236004, 4045005, 4257900, 4494450, 5393340, 6741675, 8090010, 8988900, 13483350, 16180020, 20225025, 26966700, 40450050, 80900100]

約数ペア:

[(1, 80900100), (2, 40450050), (3, 26966700), (4, 20225025), (5, 16180020), (6, 13483350), (9, 8988900), (10, 8090010), (12, 6741675), (15, 5393340), (18, 4494450), (19, 4257900), (20, 4045005), (25, 3236004), (27, 2996300), (30, 2696670), (36, 2247225), (38, 2128950), (45, 1797780), (50, 1618002), (54, 1498150), (57, 1419300), (60, 1348335), (75, 1078668), (76, 1064475), (83, 974700), (90, 898890), (95, 851580), (100, 809001), (108, 749075), (114, 709650), (135, 599260), (150, 539334), (166, 487350), (171, 473100), (180, 449445), (190, 425790), (225, 359556), (228, 354825), (249, 324900), (270, 299630), (285, 283860), (300, 269667), (332, 243675), (342, 236550), (361, 224100), (380, 212895), (415, 194940), (450, 179778), (475, 170316), (498, 162450), (513, 157700), (540, 149815), (570, 141930), (675, 119852), (684, 118275), (722, 112050), (747, 108300), (830, 97470), (855, 94620), (900, 89889), (950, 85158), (996, 81225), (1026, 78850), (1083, 74700), (1140, 70965), (1245, 64980), (1350, 59926), (1425, 56772), (1444, 56025), (1494, 54150), (1577, 51300), (1660, 48735), (1710, 47310), (1805, 44820), (1900, 42579), (2052, 39425), (2075, 38988), (2166, 37350), (2241, 36100), (2490, 32490), (2565, 31540), (2700, 29963), (2850, 28386), (2988, 27075), (3154, 25650), (3249, 24900), (3420, 23655), (3610, 22410), (3735, 21660), (4150, 19494), (4275, 18924), (4332, 18675), (4482, 18050), (4731, 17100), (4980, 16245), (5130, 15770), (5415, 14940), (5700, 14193), (6225, 12996), (6308, 12825), (6498, 12450), (7220, 11205), (7470, 10830), (7885, 10260), (8300, 9747), (8550, 9462), (8964, 9025)]