19761840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{1307}}^1$

素因数の和:1336

約数の個数: 160

約数和(自身を含む): 77852160

約数和(自身を除く): 58090320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1307, 1512, 1680, 1890, 2160, 2520, 2614, 3024, 3780, 3921, 5040, 5228, 6535, 7560, 7842, 9149, 10456, 11763, 13070, 15120, 15684, 18298, 19605, 20912, 23526, 26140, 27447, 31368, 35289, 36596, 39210, 45745, 47052, 52280, 54894, 58815, 62736, 70578, 73192, 78420, 82341, 91490, 94104, 104560, 109788, 117630, 137235, 141156, 146384, 156840, 164682, 176445, 182980, 188208, 219576, 235260, 247023, 274470, 282312, 313680, 329364, 352890, 365960, 411705, 439152, 470520, 494046, 548940, 564624, 658728, 705780, 731920, 823410, 941040, 988092, 1097880, 1235115, 1317456, 1411560, 1646820, 1976184, 2195760, 2470230, 2823120, 3293640, 3952368, 4940460, 6587280, 9880920, 19761840]

約数ペア:

[(1, 19761840), (2, 9880920), (3, 6587280), (4, 4940460), (5, 3952368), (6, 3293640), (7, 2823120), (8, 2470230), (9, 2195760), (10, 1976184), (12, 1646820), (14, 1411560), (15, 1317456), (16, 1235115), (18, 1097880), (20, 988092), (21, 941040), (24, 823410), (27, 731920), (28, 705780), (30, 658728), (35, 564624), (36, 548940), (40, 494046), (42, 470520), (45, 439152), (48, 411705), (54, 365960), (56, 352890), (60, 329364), (63, 313680), (70, 282312), (72, 274470), (80, 247023), (84, 235260), (90, 219576), (105, 188208), (108, 182980), (112, 176445), (120, 164682), (126, 156840), (135, 146384), (140, 141156), (144, 137235), (168, 117630), (180, 109788), (189, 104560), (210, 94104), (216, 91490), (240, 82341), (252, 78420), (270, 73192), (280, 70578), (315, 62736), (336, 58815), (360, 54894), (378, 52280), (420, 47052), (432, 45745), (504, 39210), (540, 36596), (560, 35289), (630, 31368), (720, 27447), (756, 26140), (840, 23526), (945, 20912), (1008, 19605), (1080, 18298), (1260, 15684), (1307, 15120), (1512, 13070), (1680, 11763), (1890, 10456), (2160, 9149), (2520, 7842), (2614, 7560), (3024, 6535), (3780, 5228), (3921, 5040)]