169720040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19553}}^1$

素因数の和:19602

約数の個数: 64

約数和(自身を含む): 450524160

約数和(自身を除く): 280804120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 19553, 39106, 78212, 97765, 136871, 156424, 195530, 273742, 391060, 547484, 606143, 684355, 782120, 1094968, 1212286, 1368710, 2424572, 2737420, 3030715, 4243001, 4849144, 5474840, 6061430, 8486002, 12122860, 16972004, 21215005, 24245720, 33944008, 42430010, 84860020, 169720040]

約数ペア:

[(1, 169720040), (2, 84860020), (4, 42430010), (5, 33944008), (7, 24245720), (8, 21215005), (10, 16972004), (14, 12122860), (20, 8486002), (28, 6061430), (31, 5474840), (35, 4849144), (40, 4243001), (56, 3030715), (62, 2737420), (70, 2424572), (124, 1368710), (140, 1212286), (155, 1094968), (217, 782120), (248, 684355), (280, 606143), (310, 547484), (434, 391060), (620, 273742), (868, 195530), (1085, 156424), (1240, 136871), (1736, 97765), (2170, 78212), (4340, 39106), (8680, 19553)]