521551140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:271

約数の個数: 216

約数和(自身を含む): 1702612800

約数和(自身を除く): 1181061660

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 121, 132, 165, 190, 199, 209, 220, 228, 242, 285, 330, 361, 363, 380, 398, 418, 484, 570, 597, 605, 627, 660, 722, 726, 796, 836, 995, 1045, 1083, 1140, 1194, 1210, 1254, 1444, 1452, 1805, 1815, 1990, 2090, 2166, 2189, 2299, 2388, 2420, 2508, 2985, 3135, 3610, 3630, 3781, 3971, 3980, 4180, 4332, 4378, 4598, 5415, 5970, 6270, 6567, 6897, 7220, 7260, 7562, 7942, 8756, 9196, 10830, 10945, 11343, 11495, 11913, 11940, 12540, 13134, 13794, 15124, 15884, 18905, 19855, 21660, 21890, 22686, 22990, 23826, 24079, 26268, 27588, 32835, 34485, 37810, 39710, 41591, 43681, 43780, 45372, 45980, 47652, 48158, 56715, 59565, 65670, 68970, 71839, 72237, 75620, 79420, 83182, 87362, 96316, 113430, 119130, 120395, 124773, 131043, 131340, 137940, 143678, 144474, 166364, 174724, 207955, 215517, 218405, 226860, 238260, 240790, 249546, 262086, 287356, 288948, 359195, 361185, 415910, 431034, 436810, 457501, 481580, 499092, 524172, 623865, 655215, 718390, 722370, 790229, 831820, 862068, 873620, 915002, 1077585, 1247730, 1310430, 1372503, 1436780, 1444740, 1580458, 1830004, 2155170, 2287505, 2370687, 2495460, 2620860, 2745006, 3160916, 3951145, 4310340, 4575010, 4741374, 5490012, 6862515, 7902290, 8692519, 9150020, 9482748, 11853435, 13725030, 15804580, 17385038, 23706870, 26077557, 27450060, 34770076, 43462595, 47413740, 52155114, 86925190, 104310228, 130387785, 173850380, 260775570, 521551140]

約数ペア:

[(1, 521551140), (2, 260775570), (3, 173850380), (4, 130387785), (5, 104310228), (6, 86925190), (10, 52155114), (11, 47413740), (12, 43462595), (15, 34770076), (19, 27450060), (20, 26077557), (22, 23706870), (30, 17385038), (33, 15804580), (38, 13725030), (44, 11853435), (55, 9482748), (57, 9150020), (60, 8692519), (66, 7902290), (76, 6862515), (95, 5490012), (110, 4741374), (114, 4575010), (121, 4310340), (132, 3951145), (165, 3160916), (190, 2745006), (199, 2620860), (209, 2495460), (220, 2370687), (228, 2287505), (242, 2155170), (285, 1830004), (330, 1580458), (361, 1444740), (363, 1436780), (380, 1372503), (398, 1310430), (418, 1247730), (484, 1077585), (570, 915002), (597, 873620), (605, 862068), (627, 831820), (660, 790229), (722, 722370), (726, 718390), (796, 655215), (836, 623865), (995, 524172), (1045, 499092), (1083, 481580), (1140, 457501), (1194, 436810), (1210, 431034), (1254, 415910), (1444, 361185), (1452, 359195), (1805, 288948), (1815, 287356), (1990, 262086), (2090, 249546), (2166, 240790), (2189, 238260), (2299, 226860), (2388, 218405), (2420, 215517), (2508, 207955), (2985, 174724), (3135, 166364), (3610, 144474), (3630, 143678), (3781, 137940), (3971, 131340), (3980, 131043), (4180, 124773), (4332, 120395), (4378, 119130), (4598, 113430), (5415, 96316), (5970, 87362), (6270, 83182), (6567, 79420), (6897, 75620), (7220, 72237), (7260, 71839), (7562, 68970), (7942, 65670), (8756, 59565), (9196, 56715), (10830, 48158), (10945, 47652), (11343, 45980), (11495, 45372), (11913, 43780), (11940, 43681), (12540, 41591), (13134, 39710), (13794, 37810), (15124, 34485), (15884, 32835), (18905, 27588), (19855, 26268), (21660, 24079), (21890, 23826), (22686, 22990)]