213301980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1327}}^1$

素因数の和:1408

約数の個数: 144

約数和(自身を含む): 696084480

約数和(自身を除く): 482782500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 47, 57, 60, 76, 90, 94, 95, 114, 141, 171, 180, 188, 190, 228, 235, 282, 285, 342, 380, 423, 470, 564, 570, 684, 705, 846, 855, 893, 940, 1140, 1327, 1410, 1692, 1710, 1786, 2115, 2654, 2679, 2820, 3420, 3572, 3981, 4230, 4465, 5308, 5358, 6635, 7962, 8037, 8460, 8930, 10716, 11943, 13270, 13395, 15924, 16074, 17860, 19905, 23886, 25213, 26540, 26790, 32148, 39810, 40185, 47772, 50426, 53580, 59715, 62369, 75639, 79620, 80370, 100852, 119430, 124738, 126065, 151278, 160740, 187107, 226917, 238860, 249476, 252130, 302556, 311845, 374214, 378195, 453834, 504260, 561321, 623690, 748428, 756390, 907668, 935535, 1122642, 1134585, 1185011, 1247380, 1512780, 1871070, 2245284, 2269170, 2370022, 2806605, 3555033, 3742140, 4538340, 4740044, 5613210, 5925055, 7110066, 10665099, 11226420, 11850110, 14220132, 17775165, 21330198, 23700220, 35550330, 42660396, 53325495, 71100660, 106650990, 213301980]

約数ペア:

[(1, 213301980), (2, 106650990), (3, 71100660), (4, 53325495), (5, 42660396), (6, 35550330), (9, 23700220), (10, 21330198), (12, 17775165), (15, 14220132), (18, 11850110), (19, 11226420), (20, 10665099), (30, 7110066), (36, 5925055), (38, 5613210), (45, 4740044), (47, 4538340), (57, 3742140), (60, 3555033), (76, 2806605), (90, 2370022), (94, 2269170), (95, 2245284), (114, 1871070), (141, 1512780), (171, 1247380), (180, 1185011), (188, 1134585), (190, 1122642), (228, 935535), (235, 907668), (282, 756390), (285, 748428), (342, 623690), (380, 561321), (423, 504260), (470, 453834), (564, 378195), (570, 374214), (684, 311845), (705, 302556), (846, 252130), (855, 249476), (893, 238860), (940, 226917), (1140, 187107), (1327, 160740), (1410, 151278), (1692, 126065), (1710, 124738), (1786, 119430), (2115, 100852), (2654, 80370), (2679, 79620), (2820, 75639), (3420, 62369), (3572, 59715), (3981, 53580), (4230, 50426), (4465, 47772), (5308, 40185), (5358, 39810), (6635, 32148), (7962, 26790), (8037, 26540), (8460, 25213), (8930, 23886), (10716, 19905), (11943, 17860), (13270, 16074), (13395, 15924)]