127960980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1531}}^1$

素因数の和:1749

約数の個数: 96

約数和(自身を含む): 411801600

約数和(自身を除く): 283840620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 199, 210, 398, 420, 597, 796, 995, 1194, 1393, 1531, 1990, 2388, 2786, 2985, 3062, 3980, 4179, 4593, 5572, 5970, 6124, 6965, 7655, 8358, 9186, 10717, 11940, 13930, 15310, 16716, 18372, 20895, 21434, 22965, 27860, 30620, 32151, 41790, 42868, 45930, 53585, 64302, 83580, 91860, 107170, 128604, 160755, 214340, 304669, 321510, 609338, 643020, 914007, 1218676, 1523345, 1828014, 2132683, 3046690, 3656028, 4265366, 4570035, 6093380, 6398049, 8530732, 9140070, 10663415, 12796098, 18280140, 21326830, 25592196, 31990245, 42653660, 63980490, 127960980]

約数ペア:

[(1, 127960980), (2, 63980490), (3, 42653660), (4, 31990245), (5, 25592196), (6, 21326830), (7, 18280140), (10, 12796098), (12, 10663415), (14, 9140070), (15, 8530732), (20, 6398049), (21, 6093380), (28, 4570035), (30, 4265366), (35, 3656028), (42, 3046690), (60, 2132683), (70, 1828014), (84, 1523345), (105, 1218676), (140, 914007), (199, 643020), (210, 609338), (398, 321510), (420, 304669), (597, 214340), (796, 160755), (995, 128604), (1194, 107170), (1393, 91860), (1531, 83580), (1990, 64302), (2388, 53585), (2786, 45930), (2985, 42868), (3062, 41790), (3980, 32151), (4179, 30620), (4593, 27860), (5572, 22965), (5970, 21434), (6124, 20895), (6965, 18372), (7655, 16716), (8358, 15310), (9186, 13930), (10717, 11940)]