389952120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8311}}^1$

素因数の和:8365

約数の個数: 128

約数和(自身を含む): 1292682240

約数和(自身を除く): 902730120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 920, 1020, 1173, 1380, 1564, 1955, 2040, 2346, 2760, 3128, 3910, 4692, 5865, 7820, 8311, 9384, 11730, 15640, 16622, 23460, 24933, 33244, 41555, 46920, 49866, 66488, 83110, 99732, 124665, 141287, 166220, 191153, 199464, 249330, 282574, 332440, 382306, 423861, 498660, 565148, 573459, 706435, 764612, 847722, 955765, 997320, 1130296, 1146918, 1412870, 1529224, 1695444, 1911530, 2119305, 2293836, 2825740, 2867295, 3249601, 3390888, 3823060, 4238610, 4587672, 5651480, 5734590, 6499202, 7646120, 8477220, 9748803, 11469180, 12998404, 16248005, 16954440, 19497606, 22938360, 25996808, 32496010, 38995212, 48744015, 64992020, 77990424, 97488030, 129984040, 194976060, 389952120]

約数ペア:

[(1, 389952120), (2, 194976060), (3, 129984040), (4, 97488030), (5, 77990424), (6, 64992020), (8, 48744015), (10, 38995212), (12, 32496010), (15, 25996808), (17, 22938360), (20, 19497606), (23, 16954440), (24, 16248005), (30, 12998404), (34, 11469180), (40, 9748803), (46, 8477220), (51, 7646120), (60, 6499202), (68, 5734590), (69, 5651480), (85, 4587672), (92, 4238610), (102, 3823060), (115, 3390888), (120, 3249601), (136, 2867295), (138, 2825740), (170, 2293836), (184, 2119305), (204, 1911530), (230, 1695444), (255, 1529224), (276, 1412870), (340, 1146918), (345, 1130296), (391, 997320), (408, 955765), (460, 847722), (510, 764612), (552, 706435), (680, 573459), (690, 565148), (782, 498660), (920, 423861), (1020, 382306), (1173, 332440), (1380, 282574), (1564, 249330), (1955, 199464), (2040, 191153), (2346, 166220), (2760, 141287), (3128, 124665), (3910, 99732), (4692, 83110), (5865, 66488), (7820, 49866), (8311, 46920), (9384, 41555), (11730, 33244), (15640, 24933), (16622, 23460)]