287721180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{967}}^1$

素因数の和:1033

約数の個数: 192

約数和(自身を含む): 975744000

約数和(自身を除く): 688022820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 29, 30, 36, 38, 45, 54, 57, 58, 60, 76, 87, 90, 95, 108, 114, 116, 135, 145, 171, 174, 180, 190, 228, 261, 270, 285, 290, 342, 348, 380, 435, 513, 522, 540, 551, 570, 580, 684, 783, 855, 870, 967, 1026, 1044, 1102, 1140, 1305, 1566, 1653, 1710, 1740, 1934, 2052, 2204, 2565, 2610, 2755, 2901, 3132, 3306, 3420, 3868, 3915, 4835, 4959, 5130, 5220, 5510, 5802, 6612, 7830, 8265, 8703, 9670, 9918, 10260, 11020, 11604, 14505, 14877, 15660, 16530, 17406, 18373, 19340, 19836, 24795, 26109, 28043, 29010, 29754, 33060, 34812, 36746, 43515, 49590, 52218, 55119, 56086, 58020, 59508, 73492, 74385, 84129, 87030, 91865, 99180, 104436, 110238, 112172, 130545, 140215, 148770, 165357, 168258, 174060, 183730, 220476, 252387, 261090, 275595, 280430, 297540, 330714, 336516, 367460, 420645, 496071, 504774, 522180, 532817, 551190, 560860, 661428, 757161, 826785, 841290, 992142, 1009548, 1065634, 1102380, 1261935, 1514322, 1598451, 1653570, 1682580, 1984284, 2131268, 2480355, 2523870, 2664085, 3028644, 3196902, 3307140, 3785805, 4795353, 4960710, 5047740, 5328170, 6393804, 7571610, 7992255, 9590706, 9921420, 10656340, 14386059, 15143220, 15984510, 19181412, 23976765, 28772118, 31969020, 47953530, 57544236, 71930295, 95907060, 143860590, 287721180]

約数ペア:

[(1, 287721180), (2, 143860590), (3, 95907060), (4, 71930295), (5, 57544236), (6, 47953530), (9, 31969020), (10, 28772118), (12, 23976765), (15, 19181412), (18, 15984510), (19, 15143220), (20, 14386059), (27, 10656340), (29, 9921420), (30, 9590706), (36, 7992255), (38, 7571610), (45, 6393804), (54, 5328170), (57, 5047740), (58, 4960710), (60, 4795353), (76, 3785805), (87, 3307140), (90, 3196902), (95, 3028644), (108, 2664085), (114, 2523870), (116, 2480355), (135, 2131268), (145, 1984284), (171, 1682580), (174, 1653570), (180, 1598451), (190, 1514322), (228, 1261935), (261, 1102380), (270, 1065634), (285, 1009548), (290, 992142), (342, 841290), (348, 826785), (380, 757161), (435, 661428), (513, 560860), (522, 551190), (540, 532817), (551, 522180), (570, 504774), (580, 496071), (684, 420645), (783, 367460), (855, 336516), (870, 330714), (967, 297540), (1026, 280430), (1044, 275595), (1102, 261090), (1140, 252387), (1305, 220476), (1566, 183730), (1653, 174060), (1710, 168258), (1740, 165357), (1934, 148770), (2052, 140215), (2204, 130545), (2565, 112172), (2610, 110238), (2755, 104436), (2901, 99180), (3132, 91865), (3306, 87030), (3420, 84129), (3868, 74385), (3915, 73492), (4835, 59508), (4959, 58020), (5130, 56086), (5220, 55119), (5510, 52218), (5802, 49590), (6612, 43515), (7830, 36746), (8265, 34812), (8703, 33060), (9670, 29754), (9918, 29010), (10260, 28043), (11020, 26109), (11604, 24795), (14505, 19836), (14877, 19340), (15660, 18373), (16530, 17406)]