231530320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{13337}}^1$

素因数の和:13388

約数の個数: 80

約数和(自身を含む): 635102208

約数和(自身を除く): 403571888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 13337, 17360, 26674, 53348, 66685, 93359, 106696, 133370, 186718, 213392, 266740, 373436, 413447, 466795, 533480, 746872, 826894, 933590, 1066960, 1493744, 1653788, 1867180, 2067235, 2894129, 3307576, 3734360, 4134470, 5788258, 6615152, 7468720, 8268940, 11576516, 14470645, 16537880, 23153032, 28941290, 33075760, 46306064, 57882580, 115765160, 231530320]

約数ペア:

[(1, 231530320), (2, 115765160), (4, 57882580), (5, 46306064), (7, 33075760), (8, 28941290), (10, 23153032), (14, 16537880), (16, 14470645), (20, 11576516), (28, 8268940), (31, 7468720), (35, 6615152), (40, 5788258), (56, 4134470), (62, 3734360), (70, 3307576), (80, 2894129), (112, 2067235), (124, 1867180), (140, 1653788), (155, 1493744), (217, 1066960), (248, 933590), (280, 826894), (310, 746872), (434, 533480), (496, 466795), (560, 413447), (620, 373436), (868, 266740), (1085, 213392), (1240, 186718), (1736, 133370), (2170, 106696), (2480, 93359), (3472, 66685), (4340, 53348), (8680, 26674), (13337, 17360)]