261897480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{523}}^1$

素因数の和:660

約数の個数: 192

約数和(自身を含む): 926976960

約数和(自身を除く): 665079480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 107, 117, 120, 130, 156, 180, 195, 214, 234, 260, 312, 321, 360, 390, 428, 468, 520, 523, 535, 585, 642, 780, 856, 936, 963, 1046, 1070, 1170, 1284, 1391, 1560, 1569, 1605, 1926, 2092, 2140, 2340, 2568, 2615, 2782, 3138, 3210, 3852, 4173, 4184, 4280, 4680, 4707, 4815, 5230, 5564, 6276, 6420, 6799, 6955, 7704, 7845, 8346, 9414, 9630, 10460, 11128, 12519, 12552, 12840, 13598, 13910, 15690, 16692, 18828, 19260, 20397, 20865, 20920, 23535, 25038, 27196, 27820, 31380, 33384, 33995, 37656, 38520, 40794, 41730, 47070, 50076, 54392, 55640, 55961, 61191, 62595, 62760, 67990, 81588, 83460, 94140, 100152, 101985, 111922, 122382, 125190, 135980, 163176, 166920, 167883, 188280, 203970, 223844, 244764, 250380, 271960, 279805, 305955, 335766, 407940, 447688, 489528, 500760, 503649, 559610, 611910, 671532, 727493, 815880, 839415, 1007298, 1119220, 1223820, 1343064, 1454986, 1678830, 2014596, 2182479, 2238440, 2447640, 2518245, 2909972, 3357660, 3637465, 4029192, 4364958, 5036490, 5819944, 6547437, 6715320, 7274930, 8729916, 10072980, 10912395, 13094874, 14549860, 17459832, 20145960, 21824790, 26189748, 29099720, 32737185, 43649580, 52379496, 65474370, 87299160, 130948740, 261897480]

約数ペア:

[(1, 261897480), (2, 130948740), (3, 87299160), (4, 65474370), (5, 52379496), (6, 43649580), (8, 32737185), (9, 29099720), (10, 26189748), (12, 21824790), (13, 20145960), (15, 17459832), (18, 14549860), (20, 13094874), (24, 10912395), (26, 10072980), (30, 8729916), (36, 7274930), (39, 6715320), (40, 6547437), (45, 5819944), (52, 5036490), (60, 4364958), (65, 4029192), (72, 3637465), (78, 3357660), (90, 2909972), (104, 2518245), (107, 2447640), (117, 2238440), (120, 2182479), (130, 2014596), (156, 1678830), (180, 1454986), (195, 1343064), (214, 1223820), (234, 1119220), (260, 1007298), (312, 839415), (321, 815880), (360, 727493), (390, 671532), (428, 611910), (468, 559610), (520, 503649), (523, 500760), (535, 489528), (585, 447688), (642, 407940), (780, 335766), (856, 305955), (936, 279805), (963, 271960), (1046, 250380), (1070, 244764), (1170, 223844), (1284, 203970), (1391, 188280), (1560, 167883), (1569, 166920), (1605, 163176), (1926, 135980), (2092, 125190), (2140, 122382), (2340, 111922), (2568, 101985), (2615, 100152), (2782, 94140), (3138, 83460), (3210, 81588), (3852, 67990), (4173, 62760), (4184, 62595), (4280, 61191), (4680, 55961), (4707, 55640), (4815, 54392), (5230, 50076), (5564, 47070), (6276, 41730), (6420, 40794), (6799, 38520), (6955, 37656), (7704, 33995), (7845, 33384), (8346, 31380), (9414, 27820), (9630, 27196), (10460, 25038), (11128, 23535), (12519, 20920), (12552, 20865), (12840, 20397), (13598, 19260), (13910, 18828), (15690, 16692)]