128281440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:621

約数の個数: 192

約数和(自身を含む): 469034496

約数和(自身を除く): 340753056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 96, 105, 112, 120, 140, 146, 160, 168, 210, 219, 224, 240, 280, 292, 336, 365, 420, 438, 480, 511, 523, 560, 584, 672, 730, 840, 876, 1022, 1046, 1095, 1120, 1168, 1460, 1533, 1569, 1680, 1752, 2044, 2092, 2190, 2336, 2555, 2615, 2920, 3066, 3138, 3360, 3504, 3661, 4088, 4184, 4380, 5110, 5230, 5840, 6132, 6276, 7008, 7322, 7665, 7845, 8176, 8368, 8760, 10220, 10460, 10983, 11680, 12264, 12552, 14644, 15330, 15690, 16352, 16736, 17520, 18305, 20440, 20920, 21966, 24528, 25104, 29288, 30660, 31380, 35040, 36610, 38179, 40880, 41840, 43932, 49056, 50208, 54915, 58576, 61320, 62760, 73220, 76358, 81760, 83680, 87864, 109830, 114537, 117152, 122640, 125520, 146440, 152716, 175728, 190895, 219660, 229074, 245280, 251040, 267253, 292880, 305432, 351456, 381790, 439320, 458148, 534506, 572685, 585760, 610864, 763580, 801759, 878640, 916296, 1069012, 1145370, 1221728, 1336265, 1527160, 1603518, 1757280, 1832592, 2138024, 2290740, 2672530, 3054320, 3207036, 3665184, 4008795, 4276048, 4581480, 5345060, 6108640, 6414072, 8017590, 8552096, 9162960, 10690120, 12828144, 16035180, 18325920, 21380240, 25656288, 32070360, 42760480, 64140720, 128281440]

約数ペア:

[(1, 128281440), (2, 64140720), (3, 42760480), (4, 32070360), (5, 25656288), (6, 21380240), (7, 18325920), (8, 16035180), (10, 12828144), (12, 10690120), (14, 9162960), (15, 8552096), (16, 8017590), (20, 6414072), (21, 6108640), (24, 5345060), (28, 4581480), (30, 4276048), (32, 4008795), (35, 3665184), (40, 3207036), (42, 3054320), (48, 2672530), (56, 2290740), (60, 2138024), (70, 1832592), (73, 1757280), (80, 1603518), (84, 1527160), (96, 1336265), (105, 1221728), (112, 1145370), (120, 1069012), (140, 916296), (146, 878640), (160, 801759), (168, 763580), (210, 610864), (219, 585760), (224, 572685), (240, 534506), (280, 458148), (292, 439320), (336, 381790), (365, 351456), (420, 305432), (438, 292880), (480, 267253), (511, 251040), (523, 245280), (560, 229074), (584, 219660), (672, 190895), (730, 175728), (840, 152716), (876, 146440), (1022, 125520), (1046, 122640), (1095, 117152), (1120, 114537), (1168, 109830), (1460, 87864), (1533, 83680), (1569, 81760), (1680, 76358), (1752, 73220), (2044, 62760), (2092, 61320), (2190, 58576), (2336, 54915), (2555, 50208), (2615, 49056), (2920, 43932), (3066, 41840), (3138, 40880), (3360, 38179), (3504, 36610), (3661, 35040), (4088, 31380), (4184, 30660), (4380, 29288), (5110, 25104), (5230, 24528), (5840, 21966), (6132, 20920), (6276, 20440), (7008, 18305), (7322, 17520), (7665, 16736), (7845, 16352), (8176, 15690), (8368, 15330), (8760, 14644), (10220, 12552), (10460, 12264), (10983, 11680)]