82161780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:477

約数の個数: 96

約数和(自身を含む): 239812608

約数和(自身を除く): 157650828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 163, 186, 271, 310, 326, 372, 465, 489, 542, 620, 652, 813, 815, 930, 978, 1084, 1355, 1626, 1630, 1860, 1956, 2445, 2710, 3252, 3260, 4065, 4890, 5053, 5420, 8130, 8401, 9780, 10106, 15159, 16260, 16802, 20212, 25203, 25265, 30318, 33604, 42005, 44173, 50406, 50530, 60636, 75795, 84010, 88346, 100812, 101060, 126015, 132519, 151590, 168020, 176692, 220865, 252030, 265038, 303180, 441730, 504060, 530076, 662595, 883460, 1325190, 1369363, 2650380, 2738726, 4108089, 5477452, 6846815, 8216178, 13693630, 16432356, 20540445, 27387260, 41080890, 82161780]

約数ペア:

[(1, 82161780), (2, 41080890), (3, 27387260), (4, 20540445), (5, 16432356), (6, 13693630), (10, 8216178), (12, 6846815), (15, 5477452), (20, 4108089), (30, 2738726), (31, 2650380), (60, 1369363), (62, 1325190), (93, 883460), (124, 662595), (155, 530076), (163, 504060), (186, 441730), (271, 303180), (310, 265038), (326, 252030), (372, 220865), (465, 176692), (489, 168020), (542, 151590), (620, 132519), (652, 126015), (813, 101060), (815, 100812), (930, 88346), (978, 84010), (1084, 75795), (1355, 60636), (1626, 50530), (1630, 50406), (1860, 44173), (1956, 42005), (2445, 33604), (2710, 30318), (3252, 25265), (3260, 25203), (4065, 20212), (4890, 16802), (5053, 16260), (5420, 15159), (8130, 10106), (8401, 9780)]