17817660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 62899200

約数和(自身を除く): 45081540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 179, 180, 210, 237, 252, 315, 316, 358, 395, 420, 474, 537, 553, 630, 711, 716, 790, 895, 948, 1074, 1106, 1185, 1253, 1260, 1422, 1580, 1611, 1659, 1790, 2148, 2212, 2370, 2506, 2685, 2765, 2844, 3222, 3318, 3555, 3580, 3759, 4740, 4977, 5012, 5370, 5530, 6265, 6444, 6636, 7110, 7518, 8055, 8295, 9954, 10740, 11060, 11277, 12530, 14141, 14220, 15036, 16110, 16590, 18795, 19908, 22554, 24885, 25060, 28282, 32220, 33180, 37590, 42423, 45108, 49770, 56385, 56564, 70705, 75180, 84846, 98987, 99540, 112770, 127269, 141410, 169692, 197974, 212115, 225540, 254538, 282820, 296961, 395948, 424230, 494935, 509076, 593922, 636345, 848460, 890883, 989870, 1187844, 1272690, 1484805, 1781766, 1979740, 2545380, 2969610, 3563532, 4454415, 5939220, 8908830, 17817660]

約数ペア:

[(1, 17817660), (2, 8908830), (3, 5939220), (4, 4454415), (5, 3563532), (6, 2969610), (7, 2545380), (9, 1979740), (10, 1781766), (12, 1484805), (14, 1272690), (15, 1187844), (18, 989870), (20, 890883), (21, 848460), (28, 636345), (30, 593922), (35, 509076), (36, 494935), (42, 424230), (45, 395948), (60, 296961), (63, 282820), (70, 254538), (79, 225540), (84, 212115), (90, 197974), (105, 169692), (126, 141410), (140, 127269), (158, 112770), (179, 99540), (180, 98987), (210, 84846), (237, 75180), (252, 70705), (315, 56564), (316, 56385), (358, 49770), (395, 45108), (420, 42423), (474, 37590), (537, 33180), (553, 32220), (630, 28282), (711, 25060), (716, 24885), (790, 22554), (895, 19908), (948, 18795), (1074, 16590), (1106, 16110), (1185, 15036), (1253, 14220), (1260, 14141), (1422, 12530), (1580, 11277), (1611, 11060), (1659, 10740), (1790, 9954), (2148, 8295), (2212, 8055), (2370, 7518), (2506, 7110), (2685, 6636), (2765, 6444), (2844, 6265), (3222, 5530), (3318, 5370), (3555, 5012), (3580, 4977), (3759, 4740)]