81940920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{433}}^1$

素因数の和:549

約数の個数: 128

約数和(自身を含む): 262483200

約数和(自身を除く): 180542280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 83, 95, 114, 120, 152, 166, 190, 228, 249, 285, 332, 380, 415, 433, 456, 498, 570, 664, 760, 830, 866, 996, 1140, 1245, 1299, 1577, 1660, 1732, 1992, 2165, 2280, 2490, 2598, 3154, 3320, 3464, 4330, 4731, 4980, 5196, 6308, 6495, 7885, 8227, 8660, 9462, 9960, 10392, 12616, 12990, 15770, 16454, 17320, 18924, 23655, 24681, 25980, 31540, 32908, 35939, 37848, 41135, 47310, 49362, 51960, 63080, 65816, 71878, 82270, 94620, 98724, 107817, 123405, 143756, 164540, 179695, 189240, 197448, 215634, 246810, 287512, 329080, 359390, 431268, 493620, 539085, 682841, 718780, 862536, 987240, 1078170, 1365682, 1437560, 2048523, 2156340, 2731364, 3414205, 4097046, 4312680, 5462728, 6828410, 8194092, 10242615, 13656820, 16388184, 20485230, 27313640, 40970460, 81940920]

約数ペア:

[(1, 81940920), (2, 40970460), (3, 27313640), (4, 20485230), (5, 16388184), (6, 13656820), (8, 10242615), (10, 8194092), (12, 6828410), (15, 5462728), (19, 4312680), (20, 4097046), (24, 3414205), (30, 2731364), (38, 2156340), (40, 2048523), (57, 1437560), (60, 1365682), (76, 1078170), (83, 987240), (95, 862536), (114, 718780), (120, 682841), (152, 539085), (166, 493620), (190, 431268), (228, 359390), (249, 329080), (285, 287512), (332, 246810), (380, 215634), (415, 197448), (433, 189240), (456, 179695), (498, 164540), (570, 143756), (664, 123405), (760, 107817), (830, 98724), (866, 94620), (996, 82270), (1140, 71878), (1245, 65816), (1299, 63080), (1577, 51960), (1660, 49362), (1732, 47310), (1992, 41135), (2165, 37848), (2280, 35939), (2490, 32908), (2598, 31540), (3154, 25980), (3320, 24681), (3464, 23655), (4330, 18924), (4731, 17320), (4980, 16454), (5196, 15770), (6308, 12990), (6495, 12616), (7885, 10392), (8227, 9960), (8660, 9462)]