90505280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:292

約数の個数: 112

約数和(自身を含む): 231745536

約数和(自身を除く): 141240256

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 127, 131, 136, 160, 170, 254, 262, 272, 320, 340, 508, 524, 544, 635, 655, 680, 1016, 1048, 1088, 1270, 1310, 1360, 2032, 2096, 2159, 2227, 2540, 2620, 2720, 4064, 4192, 4318, 4454, 5080, 5240, 5440, 8128, 8384, 8636, 8908, 10160, 10480, 10795, 11135, 16637, 17272, 17816, 20320, 20960, 21590, 22270, 33274, 34544, 35632, 40640, 41920, 43180, 44540, 66548, 69088, 71264, 83185, 86360, 89080, 133096, 138176, 142528, 166370, 172720, 178160, 266192, 282829, 332740, 345440, 356320, 532384, 565658, 665480, 690880, 712640, 1064768, 1131316, 1330960, 1414145, 2262632, 2661920, 2828290, 4525264, 5323840, 5656580, 9050528, 11313160, 18101056, 22626320, 45252640, 90505280]

約数ペア:

[(1, 90505280), (2, 45252640), (4, 22626320), (5, 18101056), (8, 11313160), (10, 9050528), (16, 5656580), (17, 5323840), (20, 4525264), (32, 2828290), (34, 2661920), (40, 2262632), (64, 1414145), (68, 1330960), (80, 1131316), (85, 1064768), (127, 712640), (131, 690880), (136, 665480), (160, 565658), (170, 532384), (254, 356320), (262, 345440), (272, 332740), (320, 282829), (340, 266192), (508, 178160), (524, 172720), (544, 166370), (635, 142528), (655, 138176), (680, 133096), (1016, 89080), (1048, 86360), (1088, 83185), (1270, 71264), (1310, 69088), (1360, 66548), (2032, 44540), (2096, 43180), (2159, 41920), (2227, 40640), (2540, 35632), (2620, 34544), (2720, 33274), (4064, 22270), (4192, 21590), (4318, 20960), (4454, 20320), (5080, 17816), (5240, 17272), (5440, 16637), (8128, 11135), (8384, 10795), (8636, 10480), (8908, 10160)]