210920280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^3\times {\mathrm{59}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 664934400

約数和(自身を除く): 454014120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 59, 60, 62, 93, 118, 120, 124, 155, 177, 186, 236, 248, 295, 310, 354, 372, 465, 472, 590, 620, 708, 744, 885, 930, 961, 1180, 1240, 1416, 1770, 1829, 1860, 1922, 2360, 2883, 3540, 3658, 3720, 3844, 4805, 5487, 5766, 7080, 7316, 7688, 9145, 9610, 10974, 11532, 14415, 14632, 18290, 19220, 21948, 23064, 27435, 28830, 29791, 36580, 38440, 43896, 54870, 56699, 57660, 59582, 73160, 89373, 109740, 113398, 115320, 119164, 148955, 170097, 178746, 219480, 226796, 238328, 283495, 297910, 340194, 357492, 446865, 453592, 566990, 595820, 680388, 714984, 850485, 893730, 1133980, 1191640, 1360776, 1700970, 1757669, 1787460, 2267960, 3401940, 3515338, 3574920, 5273007, 6803880, 7030676, 8788345, 10546014, 14061352, 17576690, 21092028, 26365035, 35153380, 42184056, 52730070, 70306760, 105460140, 210920280]

約数ペア:

[(1, 210920280), (2, 105460140), (3, 70306760), (4, 52730070), (5, 42184056), (6, 35153380), (8, 26365035), (10, 21092028), (12, 17576690), (15, 14061352), (20, 10546014), (24, 8788345), (30, 7030676), (31, 6803880), (40, 5273007), (59, 3574920), (60, 3515338), (62, 3401940), (93, 2267960), (118, 1787460), (120, 1757669), (124, 1700970), (155, 1360776), (177, 1191640), (186, 1133980), (236, 893730), (248, 850485), (295, 714984), (310, 680388), (354, 595820), (372, 566990), (465, 453592), (472, 446865), (590, 357492), (620, 340194), (708, 297910), (744, 283495), (885, 238328), (930, 226796), (961, 219480), (1180, 178746), (1240, 170097), (1416, 148955), (1770, 119164), (1829, 115320), (1860, 113398), (1922, 109740), (2360, 89373), (2883, 73160), (3540, 59582), (3658, 57660), (3720, 56699), (3844, 54870), (4805, 43896), (5487, 38440), (5766, 36580), (7080, 29791), (7316, 28830), (7688, 27435), (9145, 23064), (9610, 21948), (10974, 19220), (11532, 18290), (14415, 14632)]