20125560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:150

約数の個数: 256

約数和(自身を含む): 79027200

約数和(自身を除く): 58901640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 97, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 194, 195, 210, 228, 247, 260, 266, 273, 280, 285, 291, 312, 364, 380, 388, 390, 399, 420, 455, 456, 485, 494, 520, 532, 546, 570, 582, 665, 679, 728, 741, 760, 776, 780, 798, 840, 910, 970, 988, 1064, 1092, 1140, 1164, 1235, 1261, 1330, 1358, 1365, 1455, 1482, 1560, 1596, 1729, 1820, 1843, 1940, 1976, 1995, 2037, 2184, 2280, 2328, 2470, 2522, 2660, 2716, 2730, 2910, 2964, 3192, 3395, 3458, 3640, 3686, 3705, 3783, 3880, 3990, 4074, 4940, 5044, 5187, 5320, 5432, 5460, 5529, 5820, 5928, 6305, 6790, 6916, 7372, 7410, 7566, 7980, 8148, 8645, 8827, 9215, 9880, 10088, 10185, 10374, 10920, 11058, 11640, 12610, 12901, 13580, 13832, 14744, 14820, 15132, 15960, 16296, 17290, 17654, 18430, 18915, 20370, 20748, 22116, 23959, 25220, 25802, 25935, 26481, 27160, 27645, 29640, 30264, 34580, 35308, 36860, 37830, 38703, 40740, 41496, 44135, 44232, 47918, 50440, 51604, 51870, 52962, 55290, 64505, 69160, 70616, 71877, 73720, 75660, 77406, 81480, 88270, 95836, 103208, 103740, 105924, 110580, 119795, 129010, 132405, 143754, 151320, 154812, 167713, 176540, 191672, 193515, 207480, 211848, 221160, 239590, 258020, 264810, 287508, 309624, 335426, 353080, 359385, 387030, 479180, 503139, 516040, 529620, 575016, 670852, 718770, 774060, 838565, 958360, 1006278, 1059240, 1341704, 1437540, 1548120, 1677130, 2012556, 2515695, 2875080, 3354260, 4025112, 5031390, 6708520, 10062780, 20125560]

約数ペア:

[(1, 20125560), (2, 10062780), (3, 6708520), (4, 5031390), (5, 4025112), (6, 3354260), (7, 2875080), (8, 2515695), (10, 2012556), (12, 1677130), (13, 1548120), (14, 1437540), (15, 1341704), (19, 1059240), (20, 1006278), (21, 958360), (24, 838565), (26, 774060), (28, 718770), (30, 670852), (35, 575016), (38, 529620), (39, 516040), (40, 503139), (42, 479180), (52, 387030), (56, 359385), (57, 353080), (60, 335426), (65, 309624), (70, 287508), (76, 264810), (78, 258020), (84, 239590), (91, 221160), (95, 211848), (97, 207480), (104, 193515), (105, 191672), (114, 176540), (120, 167713), (130, 154812), (133, 151320), (140, 143754), (152, 132405), (156, 129010), (168, 119795), (182, 110580), (190, 105924), (194, 103740), (195, 103208), (210, 95836), (228, 88270), (247, 81480), (260, 77406), (266, 75660), (273, 73720), (280, 71877), (285, 70616), (291, 69160), (312, 64505), (364, 55290), (380, 52962), (388, 51870), (390, 51604), (399, 50440), (420, 47918), (455, 44232), (456, 44135), (485, 41496), (494, 40740), (520, 38703), (532, 37830), (546, 36860), (570, 35308), (582, 34580), (665, 30264), (679, 29640), (728, 27645), (741, 27160), (760, 26481), (776, 25935), (780, 25802), (798, 25220), (840, 23959), (910, 22116), (970, 20748), (988, 20370), (1064, 18915), (1092, 18430), (1140, 17654), (1164, 17290), (1235, 16296), (1261, 15960), (1330, 15132), (1358, 14820), (1365, 14744), (1455, 13832), (1482, 13580), (1560, 12901), (1596, 12610), (1729, 11640), (1820, 11058), (1843, 10920), (1940, 10374), (1976, 10185), (1995, 10088), (2037, 9880), (2184, 9215), (2280, 8827), (2328, 8645), (2470, 8148), (2522, 7980), (2660, 7566), (2716, 7410), (2730, 7372), (2910, 6916), (2964, 6790), (3192, 6305), (3395, 5928), (3458, 5820), (3640, 5529), (3686, 5460), (3705, 5432), (3783, 5320), (3880, 5187), (3990, 5044), (4074, 4940)]