11977980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 40965120

約数和(自身を除く): 28987140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 79, 84, 95, 105, 114, 133, 140, 158, 190, 210, 228, 237, 266, 285, 316, 361, 380, 395, 399, 420, 474, 532, 553, 570, 665, 722, 790, 798, 948, 1083, 1106, 1140, 1185, 1330, 1444, 1501, 1580, 1596, 1659, 1805, 1995, 2166, 2212, 2370, 2527, 2660, 2765, 3002, 3318, 3610, 3990, 4332, 4503, 4740, 5054, 5415, 5530, 6004, 6636, 7220, 7505, 7581, 7980, 8295, 9006, 10108, 10507, 10830, 11060, 12635, 15010, 15162, 16590, 18012, 21014, 21660, 22515, 25270, 28519, 30020, 30324, 31521, 33180, 37905, 42028, 45030, 50540, 52535, 57038, 63042, 75810, 85557, 90060, 105070, 114076, 126084, 142595, 151620, 157605, 171114, 199633, 210140, 285190, 315210, 342228, 399266, 427785, 570380, 598899, 630420, 798532, 855570, 998165, 1197798, 1711140, 1996330, 2395596, 2994495, 3992660, 5988990, 11977980]

約数ペア:

[(1, 11977980), (2, 5988990), (3, 3992660), (4, 2994495), (5, 2395596), (6, 1996330), (7, 1711140), (10, 1197798), (12, 998165), (14, 855570), (15, 798532), (19, 630420), (20, 598899), (21, 570380), (28, 427785), (30, 399266), (35, 342228), (38, 315210), (42, 285190), (57, 210140), (60, 199633), (70, 171114), (76, 157605), (79, 151620), (84, 142595), (95, 126084), (105, 114076), (114, 105070), (133, 90060), (140, 85557), (158, 75810), (190, 63042), (210, 57038), (228, 52535), (237, 50540), (266, 45030), (285, 42028), (316, 37905), (361, 33180), (380, 31521), (395, 30324), (399, 30020), (420, 28519), (474, 25270), (532, 22515), (553, 21660), (570, 21014), (665, 18012), (722, 16590), (790, 15162), (798, 15010), (948, 12635), (1083, 11060), (1106, 10830), (1140, 10507), (1185, 10108), (1330, 9006), (1444, 8295), (1501, 7980), (1580, 7581), (1596, 7505), (1659, 7220), (1805, 6636), (1995, 6004), (2166, 5530), (2212, 5415), (2370, 5054), (2527, 4740), (2660, 4503), (2765, 4332), (3002, 3990), (3318, 3610)]