71838780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2971}}^1$

素因数の和:3027

約数の個数: 96

約数和(自身を含む): 223684608

約数和(自身を除く): 151845828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 2971, 4030, 4836, 5942, 6045, 8060, 8913, 11884, 12090, 14855, 17826, 24180, 29710, 35652, 38623, 44565, 59420, 77246, 89130, 92101, 115869, 154492, 178260, 184202, 193115, 231738, 276303, 368404, 386230, 460505, 463476, 552606, 579345, 772460, 921010, 1105212, 1158690, 1197313, 1381515, 1842020, 2317380, 2394626, 2763030, 3591939, 4789252, 5526060, 5986565, 7183878, 11973130, 14367756, 17959695, 23946260, 35919390, 71838780]

約数ペア:

[(1, 71838780), (2, 35919390), (3, 23946260), (4, 17959695), (5, 14367756), (6, 11973130), (10, 7183878), (12, 5986565), (13, 5526060), (15, 4789252), (20, 3591939), (26, 2763030), (30, 2394626), (31, 2317380), (39, 1842020), (52, 1381515), (60, 1197313), (62, 1158690), (65, 1105212), (78, 921010), (93, 772460), (124, 579345), (130, 552606), (155, 463476), (156, 460505), (186, 386230), (195, 368404), (260, 276303), (310, 231738), (372, 193115), (390, 184202), (403, 178260), (465, 154492), (620, 115869), (780, 92101), (806, 89130), (930, 77246), (1209, 59420), (1612, 44565), (1860, 38623), (2015, 35652), (2418, 29710), (2971, 24180), (4030, 17826), (4836, 14855), (5942, 12090), (6045, 11884), (8060, 8913)]