16180020

素因数分解:

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

素因数の和:139

約数の個数: 144

約数和(自身を含む): 53766720

約数和(自身を除く): 37586700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 83, 90, 95, 108, 114, 135, 166, 171, 180, 190, 228, 249, 270, 285, 332, 342, 361, 380, 415, 498, 513, 540, 570, 684, 722, 747, 830, 855, 996, 1026, 1083, 1140, 1245, 1444, 1494, 1577, 1660, 1710, 1805, 2052, 2166, 2241, 2490, 2565, 2988, 3154, 3249, 3420, 3610, 3735, 4332, 4482, 4731, 4980, 5130, 5415, 6308, 6498, 7220, 7470, 7885, 8964, 9462, 9747, 10260, 10830, 11205, 12996, 14193, 14940, 15770, 16245, 18924, 19494, 21660, 22410, 23655, 28386, 29963, 31540, 32490, 38988, 42579, 44820, 47310, 48735, 56772, 59926, 64980, 70965, 85158, 89889, 94620, 97470, 119852, 141930, 149815, 170316, 179778, 194940, 212895, 269667, 283860, 299630, 359556, 425790, 449445, 539334, 599260, 809001, 851580, 898890, 1078668, 1348335, 1618002, 1797780, 2696670, 3236004, 4045005, 5393340, 8090010, 16180020]

約数ペア:

[(1, 16180020), (2, 8090010), (3, 5393340), (4, 4045005), (5, 3236004), (6, 2696670), (9, 1797780), (10, 1618002), (12, 1348335), (15, 1078668), (18, 898890), (19, 851580), (20, 809001), (27, 599260), (30, 539334), (36, 449445), (38, 425790), (45, 359556), (54, 299630), (57, 283860), (60, 269667), (76, 212895), (83, 194940), (90, 179778), (95, 170316), (108, 149815), (114, 141930), (135, 119852), (166, 97470), (171, 94620), (180, 89889), (190, 85158), (228, 70965), (249, 64980), (270, 59926), (285, 56772), (332, 48735), (342, 47310), (361, 44820), (380, 42579), (415, 38988), (498, 32490), (513, 31540), (540, 29963), (570, 28386), (684, 23655), (722, 22410), (747, 21660), (830, 19494), (855, 18924), (996, 16245), (1026, 15770), (1083, 14940), (1140, 14193), (1245, 12996), (1444, 11205), (1494, 10830), (1577, 10260), (1660, 9747), (1710, 9462), (1805, 8964), (2052, 7885), (2166, 7470), (2241, 7220), (2490, 6498), (2565, 6308), (2988, 5415), (3154, 5130), (3249, 4980), (3420, 4731), (3610, 4482), (3735, 4332)]