187745460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3361}}^1$

素因数の和:3406

約数の個数: 144

約数和(自身を含む): 643890240

約数和(自身を除く): 456144780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3361, 3724, 3990, 4655, 5586, 6722, 7980, 9310, 10083, 11172, 13444, 13965, 16805, 18620, 20166, 23527, 27930, 33610, 40332, 47054, 50415, 55860, 63859, 67220, 70581, 94108, 100830, 117635, 127718, 141162, 164689, 191577, 201660, 235270, 255436, 282324, 319295, 329378, 352905, 383154, 447013, 470540, 494067, 638590, 658756, 705810, 766308, 823445, 894026, 957885, 988134, 1277180, 1341039, 1411620, 1646890, 1788052, 1915770, 1976268, 2235065, 2470335, 2682078, 3129091, 3293780, 3831540, 4470130, 4940670, 5364156, 6258182, 6705195, 8940260, 9387273, 9881340, 12516364, 13410390, 15645455, 18774546, 26820780, 31290910, 37549092, 46936365, 62581820, 93872730, 187745460]

約数ペア:

[(1, 187745460), (2, 93872730), (3, 62581820), (4, 46936365), (5, 37549092), (6, 31290910), (7, 26820780), (10, 18774546), (12, 15645455), (14, 13410390), (15, 12516364), (19, 9881340), (20, 9387273), (21, 8940260), (28, 6705195), (30, 6258182), (35, 5364156), (38, 4940670), (42, 4470130), (49, 3831540), (57, 3293780), (60, 3129091), (70, 2682078), (76, 2470335), (84, 2235065), (95, 1976268), (98, 1915770), (105, 1788052), (114, 1646890), (133, 1411620), (140, 1341039), (147, 1277180), (190, 988134), (196, 957885), (210, 894026), (228, 823445), (245, 766308), (266, 705810), (285, 658756), (294, 638590), (380, 494067), (399, 470540), (420, 447013), (490, 383154), (532, 352905), (570, 329378), (588, 319295), (665, 282324), (735, 255436), (798, 235270), (931, 201660), (980, 191577), (1140, 164689), (1330, 141162), (1470, 127718), (1596, 117635), (1862, 100830), (1995, 94108), (2660, 70581), (2793, 67220), (2940, 63859), (3361, 55860), (3724, 50415), (3990, 47054), (4655, 40332), (5586, 33610), (6722, 27930), (7980, 23527), (9310, 20166), (10083, 18620), (11172, 16805), (13444, 13965)]