72568980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:691

約数の個数: 192

約数和(自身を含む): 259660800

約数和(自身を除く): 187091820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 27, 30, 33, 36, 38, 44, 45, 54, 55, 57, 60, 66, 76, 90, 95, 99, 108, 110, 114, 132, 135, 165, 171, 180, 190, 198, 209, 220, 228, 270, 285, 297, 330, 342, 380, 396, 418, 495, 513, 540, 570, 594, 627, 643, 660, 684, 836, 855, 990, 1026, 1045, 1140, 1188, 1254, 1286, 1485, 1710, 1881, 1929, 1980, 2052, 2090, 2508, 2565, 2572, 2970, 3135, 3215, 3420, 3762, 3858, 4180, 5130, 5643, 5787, 5940, 6270, 6430, 7073, 7524, 7716, 9405, 9645, 10260, 11286, 11574, 12217, 12540, 12860, 14146, 17361, 18810, 19290, 21219, 22572, 23148, 24434, 28215, 28292, 28935, 34722, 35365, 36651, 37620, 38580, 42438, 48868, 56430, 57870, 61085, 63657, 69444, 70730, 73302, 84876, 86805, 106095, 109953, 112860, 115740, 122170, 127314, 134387, 141460, 146604, 173610, 183255, 190971, 212190, 219906, 244340, 254628, 268774, 318285, 329859, 347220, 366510, 381942, 403161, 424380, 439812, 537548, 549765, 636570, 659718, 671935, 733020, 763884, 806322, 954855, 1099530, 1209483, 1273140, 1319436, 1343870, 1612644, 1649295, 1909710, 2015805, 2199060, 2418966, 2687740, 3298590, 3628449, 3819420, 4031610, 4837932, 6047415, 6597180, 7256898, 8063220, 12094830, 14513796, 18142245, 24189660, 36284490, 72568980]

約数ペア:

[(1, 72568980), (2, 36284490), (3, 24189660), (4, 18142245), (5, 14513796), (6, 12094830), (9, 8063220), (10, 7256898), (11, 6597180), (12, 6047415), (15, 4837932), (18, 4031610), (19, 3819420), (20, 3628449), (22, 3298590), (27, 2687740), (30, 2418966), (33, 2199060), (36, 2015805), (38, 1909710), (44, 1649295), (45, 1612644), (54, 1343870), (55, 1319436), (57, 1273140), (60, 1209483), (66, 1099530), (76, 954855), (90, 806322), (95, 763884), (99, 733020), (108, 671935), (110, 659718), (114, 636570), (132, 549765), (135, 537548), (165, 439812), (171, 424380), (180, 403161), (190, 381942), (198, 366510), (209, 347220), (220, 329859), (228, 318285), (270, 268774), (285, 254628), (297, 244340), (330, 219906), (342, 212190), (380, 190971), (396, 183255), (418, 173610), (495, 146604), (513, 141460), (540, 134387), (570, 127314), (594, 122170), (627, 115740), (643, 112860), (660, 109953), (684, 106095), (836, 86805), (855, 84876), (990, 73302), (1026, 70730), (1045, 69444), (1140, 63657), (1188, 61085), (1254, 57870), (1286, 56430), (1485, 48868), (1710, 42438), (1881, 38580), (1929, 37620), (1980, 36651), (2052, 35365), (2090, 34722), (2508, 28935), (2565, 28292), (2572, 28215), (2970, 24434), (3135, 23148), (3215, 22572), (3420, 21219), (3762, 19290), (3858, 18810), (4180, 17361), (5130, 14146), (5643, 12860), (5787, 12540), (5940, 12217), (6270, 11574), (6430, 11286), (7073, 10260), (7524, 9645), (7716, 9405)]