21200280660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1\times {\mathrm{1063}}^1$

素因数の和:2044

約数の個数: 240

約数和(自身を含む): 71764995456

約数和(自身を除く): 50564714796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 947, 1053, 1063, 1170, 1404, 1620, 1755, 1894, 2106, 2126, 2340, 2841, 3189, 3510, 3788, 4212, 4252, 4735, 5265, 5315, 5682, 6378, 7020, 8523, 9470, 9567, 10530, 10630, 11364, 12311, 12756, 13819, 14205, 15945, 17046, 18940, 19134, 21060, 21260, 24622, 25569, 27638, 28410, 28701, 31890, 34092, 36933, 38268, 41457, 42615, 47835, 49244, 51138, 55276, 56820, 57402, 61555, 63780, 69095, 73866, 76707, 82914, 85230, 86103, 95670, 102276, 110799, 114804, 123110, 124371, 127845, 138190, 143505, 147732, 153414, 165828, 170460, 172206, 184665, 191340, 207285, 221598, 246220, 248742, 255690, 276380, 287010, 306828, 332397, 344412, 369330, 373113, 383535, 414570, 430515, 443196, 497484, 511380, 553995, 574020, 621855, 664794, 738660, 746226, 767070, 829140, 861030, 997191, 1006661, 1107990, 1119339, 1243710, 1329588, 1492452, 1534140, 1661985, 1722060, 1865565, 1994382, 2013322, 2215980, 2238678, 2487420, 3019983, 3323970, 3731130, 3988764, 4026644, 4477356, 4985955, 5033305, 5596695, 6039966, 6647940, 7462260, 9059949, 9971910, 10066610, 11193390, 12079932, 13086593, 15099915, 18119898, 19943820, 20133220, 22386780, 26173186, 27179847, 30199830, 36239796, 39259779, 45299745, 52346372, 54359694, 60399660, 65432965, 78519558, 81539541, 90599490, 108719388, 117779337, 130865930, 135899235, 157039116, 163079082, 181198980, 196298895, 235558674, 261731860, 271798470, 326158164, 353338011, 392597790, 407697705, 471117348, 543596940, 588896685, 706676022, 785195580, 815395410, 1060014033, 1177793370, 1413352044, 1630790820, 1766690055, 2120028066, 2355586740, 3533380110, 4240056132, 5300070165, 7066760220, 10600140330, 21200280660]

約数ペア:

[(1, 21200280660), (2, 10600140330), (3, 7066760220), (4, 5300070165), (5, 4240056132), (6, 3533380110), (9, 2355586740), (10, 2120028066), (12, 1766690055), (13, 1630790820), (15, 1413352044), (18, 1177793370), (20, 1060014033), (26, 815395410), (27, 785195580), (30, 706676022), (36, 588896685), (39, 543596940), (45, 471117348), (52, 407697705), (54, 392597790), (60, 353338011), (65, 326158164), (78, 271798470), (81, 261731860), (90, 235558674), (108, 196298895), (117, 181198980), (130, 163079082), (135, 157039116), (156, 135899235), (162, 130865930), (180, 117779337), (195, 108719388), (234, 90599490), (260, 81539541), (270, 78519558), (324, 65432965), (351, 60399660), (390, 54359694), (405, 52346372), (468, 45299745), (540, 39259779), (585, 36239796), (702, 30199830), (780, 27179847), (810, 26173186), (947, 22386780), (1053, 20133220), (1063, 19943820), (1170, 18119898), (1404, 15099915), (1620, 13086593), (1755, 12079932), (1894, 11193390), (2106, 10066610), (2126, 9971910), (2340, 9059949), (2841, 7462260), (3189, 6647940), (3510, 6039966), (3788, 5596695), (4212, 5033305), (4252, 4985955), (4735, 4477356), (5265, 4026644), (5315, 3988764), (5682, 3731130), (6378, 3323970), (7020, 3019983), (8523, 2487420), (9470, 2238678), (9567, 2215980), (10530, 2013322), (10630, 1994382), (11364, 1865565), (12311, 1722060), (12756, 1661985), (13819, 1534140), (14205, 1492452), (15945, 1329588), (17046, 1243710), (18940, 1119339), (19134, 1107990), (21060, 1006661), (21260, 997191), (24622, 861030), (25569, 829140), (27638, 767070), (28410, 746226), (28701, 738660), (31890, 664794), (34092, 621855), (36933, 574020), (38268, 553995), (41457, 511380), (42615, 497484), (47835, 443196), (49244, 430515), (51138, 414570), (55276, 383535), (56820, 373113), (57402, 369330), (61555, 344412), (63780, 332397), (69095, 306828), (73866, 287010), (76707, 276380), (82914, 255690), (85230, 248742), (86103, 246220), (95670, 221598), (102276, 207285), (110799, 191340), (114804, 184665), (123110, 172206), (124371, 170460), (127845, 165828), (138190, 153414), (143505, 147732)]