128887920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:372

約数の個数: 240

約数和(自身を含む): 501396480

約数和(自身を除く): 372508560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 107, 112, 120, 126, 140, 144, 168, 180, 210, 214, 239, 240, 252, 280, 315, 321, 336, 360, 420, 428, 478, 504, 535, 560, 630, 642, 717, 720, 749, 840, 856, 956, 963, 1008, 1070, 1195, 1260, 1284, 1434, 1498, 1605, 1673, 1680, 1712, 1912, 1926, 2140, 2151, 2247, 2390, 2520, 2568, 2868, 2996, 3210, 3346, 3585, 3745, 3824, 3852, 4280, 4302, 4494, 4780, 4815, 5019, 5040, 5136, 5736, 5992, 6420, 6692, 6741, 7170, 7490, 7704, 8365, 8560, 8604, 8988, 9560, 9630, 10038, 10755, 11235, 11472, 11984, 12840, 13384, 13482, 14340, 14980, 15057, 15408, 16730, 17208, 17976, 19120, 19260, 20076, 21510, 22470, 25095, 25573, 25680, 26768, 26964, 28680, 29960, 30114, 33460, 33705, 34416, 35952, 38520, 40152, 43020, 44940, 50190, 51146, 53928, 57360, 59920, 60228, 66920, 67410, 75285, 76719, 77040, 80304, 86040, 89880, 100380, 102292, 107856, 120456, 127865, 133840, 134820, 150570, 153438, 172080, 179011, 179760, 200760, 204584, 230157, 240912, 255730, 269640, 301140, 306876, 358022, 383595, 401520, 409168, 460314, 511460, 537033, 539280, 602280, 613752, 716044, 767190, 895055, 920628, 1022920, 1074066, 1150785, 1204560, 1227504, 1432088, 1534380, 1611099, 1790110, 1841256, 2045840, 2148132, 2301570, 2685165, 2864176, 3068760, 3222198, 3580220, 3682512, 4296264, 4603140, 5370330, 6137520, 6444396, 7160440, 8055495, 8592528, 9206280, 10740660, 12888792, 14320880, 16110990, 18412560, 21481320, 25777584, 32221980, 42962640, 64443960, 128887920]

約数ペア:

[(1, 128887920), (2, 64443960), (3, 42962640), (4, 32221980), (5, 25777584), (6, 21481320), (7, 18412560), (8, 16110990), (9, 14320880), (10, 12888792), (12, 10740660), (14, 9206280), (15, 8592528), (16, 8055495), (18, 7160440), (20, 6444396), (21, 6137520), (24, 5370330), (28, 4603140), (30, 4296264), (35, 3682512), (36, 3580220), (40, 3222198), (42, 3068760), (45, 2864176), (48, 2685165), (56, 2301570), (60, 2148132), (63, 2045840), (70, 1841256), (72, 1790110), (80, 1611099), (84, 1534380), (90, 1432088), (105, 1227504), (107, 1204560), (112, 1150785), (120, 1074066), (126, 1022920), (140, 920628), (144, 895055), (168, 767190), (180, 716044), (210, 613752), (214, 602280), (239, 539280), (240, 537033), (252, 511460), (280, 460314), (315, 409168), (321, 401520), (336, 383595), (360, 358022), (420, 306876), (428, 301140), (478, 269640), (504, 255730), (535, 240912), (560, 230157), (630, 204584), (642, 200760), (717, 179760), (720, 179011), (749, 172080), (840, 153438), (856, 150570), (956, 134820), (963, 133840), (1008, 127865), (1070, 120456), (1195, 107856), (1260, 102292), (1284, 100380), (1434, 89880), (1498, 86040), (1605, 80304), (1673, 77040), (1680, 76719), (1712, 75285), (1912, 67410), (1926, 66920), (2140, 60228), (2151, 59920), (2247, 57360), (2390, 53928), (2520, 51146), (2568, 50190), (2868, 44940), (2996, 43020), (3210, 40152), (3346, 38520), (3585, 35952), (3745, 34416), (3824, 33705), (3852, 33460), (4280, 30114), (4302, 29960), (4494, 28680), (4780, 26964), (4815, 26768), (5019, 25680), (5040, 25573), (5136, 25095), (5736, 22470), (5992, 21510), (6420, 20076), (6692, 19260), (6741, 19120), (7170, 17976), (7490, 17208), (7704, 16730), (8365, 15408), (8560, 15057), (8604, 14980), (8988, 14340), (9560, 13482), (9630, 13384), (10038, 12840), (10755, 11984), (11235, 11472)]