28752780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4027}}^1$

素因数の和:4063

約数の個数: 96

約数和(自身を含む): 97445376

約数和(自身を除く): 68692596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 4027, 7140, 8054, 12081, 16108, 20135, 24162, 28189, 40270, 48324, 56378, 60405, 68459, 80540, 84567, 112756, 120810, 136918, 140945, 169134, 205377, 241620, 273836, 281890, 338268, 342295, 410754, 422835, 479213, 563780, 684590, 821508, 845670, 958426, 1026885, 1369180, 1437639, 1691340, 1916852, 2053770, 2396065, 2875278, 4107540, 4792130, 5750556, 7188195, 9584260, 14376390, 28752780]

約数ペア:

[(1, 28752780), (2, 14376390), (3, 9584260), (4, 7188195), (5, 5750556), (6, 4792130), (7, 4107540), (10, 2875278), (12, 2396065), (14, 2053770), (15, 1916852), (17, 1691340), (20, 1437639), (21, 1369180), (28, 1026885), (30, 958426), (34, 845670), (35, 821508), (42, 684590), (51, 563780), (60, 479213), (68, 422835), (70, 410754), (84, 342295), (85, 338268), (102, 281890), (105, 273836), (119, 241620), (140, 205377), (170, 169134), (204, 140945), (210, 136918), (238, 120810), (255, 112756), (340, 84567), (357, 80540), (420, 68459), (476, 60405), (510, 56378), (595, 48324), (714, 40270), (1020, 28189), (1190, 24162), (1428, 20135), (1785, 16108), (2380, 12081), (3570, 8054), (4027, 7140)]