20161958460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{137}}^1\times {\mathrm{7151}}^1$

素因数の和:7321

約数の個数: 192

約数和(自身を含む): 66324787200

約数和(自身を除く): 46162828740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 137, 140, 147, 196, 210, 245, 274, 294, 343, 411, 420, 490, 548, 588, 685, 686, 735, 822, 959, 980, 1029, 1370, 1372, 1470, 1644, 1715, 1918, 2055, 2058, 2740, 2877, 2940, 3430, 3836, 4110, 4116, 4795, 5145, 5754, 6713, 6860, 7151, 8220, 9590, 10290, 11508, 13426, 14302, 14385, 19180, 20139, 20580, 21453, 26852, 28604, 28770, 33565, 35755, 40278, 42906, 46991, 50057, 57540, 67130, 71510, 80556, 85812, 93982, 100114, 100695, 107265, 134260, 140973, 143020, 150171, 187964, 200228, 201390, 214530, 234955, 250285, 281946, 300342, 350399, 402780, 429060, 469910, 500570, 563892, 600684, 700798, 704865, 750855, 939820, 979687, 1001140, 1051197, 1401596, 1409730, 1501710, 1751995, 1959374, 2102394, 2452793, 2819460, 2939061, 3003420, 3503990, 3918748, 4204788, 4898435, 4905586, 5255985, 5878122, 6857809, 7007980, 7358379, 9796870, 9811172, 10511970, 11756244, 12263965, 13715618, 14695305, 14716758, 19593740, 20573427, 21023940, 24527930, 27431236, 29390610, 29433516, 34289045, 36791895, 41146854, 48004663, 49055860, 58781220, 68578090, 73583790, 82293708, 96009326, 102867135, 137156180, 144013989, 147167580, 192018652, 205734270, 240023315, 288027978, 336032641, 411468540, 480046630, 576055956, 672065282, 720069945, 960093260, 1008097923, 1344130564, 1440139890, 1680163205, 2016195846, 2880279780, 3360326410, 4032391692, 5040489615, 6720652820, 10080979230, 20161958460]

約数ペア:

[(1, 20161958460), (2, 10080979230), (3, 6720652820), (4, 5040489615), (5, 4032391692), (6, 3360326410), (7, 2880279780), (10, 2016195846), (12, 1680163205), (14, 1440139890), (15, 1344130564), (20, 1008097923), (21, 960093260), (28, 720069945), (30, 672065282), (35, 576055956), (42, 480046630), (49, 411468540), (60, 336032641), (70, 288027978), (84, 240023315), (98, 205734270), (105, 192018652), (137, 147167580), (140, 144013989), (147, 137156180), (196, 102867135), (210, 96009326), (245, 82293708), (274, 73583790), (294, 68578090), (343, 58781220), (411, 49055860), (420, 48004663), (490, 41146854), (548, 36791895), (588, 34289045), (685, 29433516), (686, 29390610), (735, 27431236), (822, 24527930), (959, 21023940), (980, 20573427), (1029, 19593740), (1370, 14716758), (1372, 14695305), (1470, 13715618), (1644, 12263965), (1715, 11756244), (1918, 10511970), (2055, 9811172), (2058, 9796870), (2740, 7358379), (2877, 7007980), (2940, 6857809), (3430, 5878122), (3836, 5255985), (4110, 4905586), (4116, 4898435), (4795, 4204788), (5145, 3918748), (5754, 3503990), (6713, 3003420), (6860, 2939061), (7151, 2819460), (8220, 2452793), (9590, 2102394), (10290, 1959374), (11508, 1751995), (13426, 1501710), (14302, 1409730), (14385, 1401596), (19180, 1051197), (20139, 1001140), (20580, 979687), (21453, 939820), (26852, 750855), (28604, 704865), (28770, 700798), (33565, 600684), (35755, 563892), (40278, 500570), (42906, 469910), (46991, 429060), (50057, 402780), (57540, 350399), (67130, 300342), (71510, 281946), (80556, 250285), (85812, 234955), (93982, 214530), (100114, 201390), (100695, 200228), (107265, 187964), (134260, 150171), (140973, 143020)]