247809780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:220

約数の個数: 240

約数和(自身を含む): 836700480

約数和(自身を除く): 588890700

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, 81, 83, 90, 95, 97, 108, 114, 135, 162, 166, 171, 180, 190, 194, 228, 249, 270, 285, 291, 324, 332, 342, 380, 388, 405, 415, 485, 498, 513, 540, 570, 582, 684, 747, 810, 830, 855, 873, 970, 996, 1026, 1140, 1164, 1245, 1455, 1494, 1539, 1577, 1620, 1660, 1710, 1746, 1843, 1940, 2052, 2241, 2490, 2565, 2619, 2910, 2988, 3078, 3154, 3420, 3492, 3686, 3735, 4365, 4482, 4731, 4980, 5130, 5238, 5529, 5820, 6156, 6308, 6723, 7372, 7470, 7695, 7857, 7885, 8051, 8730, 8964, 9215, 9462, 10260, 10476, 11058, 11205, 13095, 13446, 14193, 14940, 15390, 15714, 15770, 16102, 16587, 17460, 18430, 18924, 22116, 22410, 23655, 24153, 26190, 26892, 27645, 28386, 30780, 31428, 31540, 32204, 33174, 33615, 36860, 39285, 40255, 42579, 44820, 47310, 48306, 49761, 52380, 55290, 56772, 66348, 67230, 70965, 72459, 78570, 80510, 82935, 85158, 94620, 96612, 99522, 110580, 120765, 127737, 134460, 141930, 144918, 149283, 152969, 157140, 161020, 165870, 170316, 199044, 212895, 217377, 241530, 248805, 255474, 283860, 289836, 298566, 305938, 331740, 362295, 425790, 434754, 458907, 483060, 497610, 510948, 597132, 611876, 638685, 652131, 724590, 746415, 764845, 851580, 869508, 917814, 995220, 1086885, 1277370, 1304262, 1376721, 1449180, 1492830, 1529690, 1835628, 2173770, 2294535, 2554740, 2608524, 2753442, 2985660, 3059380, 3260655, 4130163, 4347540, 4589070, 5506884, 6521310, 6883605, 8260326, 9178140, 12390489, 13042620, 13767210, 16520652, 20650815, 24780978, 27534420, 41301630, 49561956, 61952445, 82603260, 123904890, 247809780]

約数ペア:

[(1, 247809780), (2, 123904890), (3, 82603260), (4, 61952445), (5, 49561956), (6, 41301630), (9, 27534420), (10, 24780978), (12, 20650815), (15, 16520652), (18, 13767210), (19, 13042620), (20, 12390489), (27, 9178140), (30, 8260326), (36, 6883605), (38, 6521310), (45, 5506884), (54, 4589070), (57, 4347540), (60, 4130163), (76, 3260655), (81, 3059380), (83, 2985660), (90, 2753442), (95, 2608524), (97, 2554740), (108, 2294535), (114, 2173770), (135, 1835628), (162, 1529690), (166, 1492830), (171, 1449180), (180, 1376721), (190, 1304262), (194, 1277370), (228, 1086885), (249, 995220), (270, 917814), (285, 869508), (291, 851580), (324, 764845), (332, 746415), (342, 724590), (380, 652131), (388, 638685), (405, 611876), (415, 597132), (485, 510948), (498, 497610), (513, 483060), (540, 458907), (570, 434754), (582, 425790), (684, 362295), (747, 331740), (810, 305938), (830, 298566), (855, 289836), (873, 283860), (970, 255474), (996, 248805), (1026, 241530), (1140, 217377), (1164, 212895), (1245, 199044), (1455, 170316), (1494, 165870), (1539, 161020), (1577, 157140), (1620, 152969), (1660, 149283), (1710, 144918), (1746, 141930), (1843, 134460), (1940, 127737), (2052, 120765), (2241, 110580), (2490, 99522), (2565, 96612), (2619, 94620), (2910, 85158), (2988, 82935), (3078, 80510), (3154, 78570), (3420, 72459), (3492, 70965), (3686, 67230), (3735, 66348), (4365, 56772), (4482, 55290), (4731, 52380), (4980, 49761), (5130, 48306), (5238, 47310), (5529, 44820), (5820, 42579), (6156, 40255), (6308, 39285), (6723, 36860), (7372, 33615), (7470, 33174), (7695, 32204), (7857, 31540), (7885, 31428), (8051, 30780), (8730, 28386), (8964, 27645), (9215, 26892), (9462, 26190), (10260, 24153), (10476, 23655), (11058, 22410), (11205, 22116), (13095, 18924), (13446, 18430), (14193, 17460), (14940, 16587), (15390, 16102), (15714, 15770)]