207921960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{601}}^1$

素因数の和:680

約数の個数: 144

約数和(自身を含む): 699409620

約数和(自身を除く): 491487660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 601, 620, 744, 930, 961, 1116, 1202, 1240, 1395, 1803, 1860, 1922, 2232, 2404, 2790, 2883, 3005, 3606, 3720, 3844, 4805, 4808, 5409, 5580, 5766, 6010, 7212, 7688, 8649, 9015, 9610, 10818, 11160, 11532, 12020, 14415, 14424, 17298, 18030, 18631, 19220, 21636, 23064, 24040, 27045, 28830, 34596, 36060, 37262, 38440, 43245, 43272, 54090, 55893, 57660, 69192, 72120, 74524, 86490, 93155, 108180, 111786, 115320, 149048, 167679, 172980, 186310, 216360, 223572, 279465, 335358, 345960, 372620, 447144, 558930, 577561, 670716, 745240, 838395, 1117860, 1155122, 1341432, 1676790, 1732683, 2235720, 2310244, 2887805, 3353580, 3465366, 4620488, 5198049, 5775610, 6707160, 6930732, 8663415, 10396098, 11551220, 13861464, 17326830, 20792196, 23102440, 25990245, 34653660, 41584392, 51980490, 69307320, 103960980, 207921960]

約数ペア:

[(1, 207921960), (2, 103960980), (3, 69307320), (4, 51980490), (5, 41584392), (6, 34653660), (8, 25990245), (9, 23102440), (10, 20792196), (12, 17326830), (15, 13861464), (18, 11551220), (20, 10396098), (24, 8663415), (30, 6930732), (31, 6707160), (36, 5775610), (40, 5198049), (45, 4620488), (60, 3465366), (62, 3353580), (72, 2887805), (90, 2310244), (93, 2235720), (120, 1732683), (124, 1676790), (155, 1341432), (180, 1155122), (186, 1117860), (248, 838395), (279, 745240), (310, 670716), (360, 577561), (372, 558930), (465, 447144), (558, 372620), (601, 345960), (620, 335358), (744, 279465), (930, 223572), (961, 216360), (1116, 186310), (1202, 172980), (1240, 167679), (1395, 149048), (1803, 115320), (1860, 111786), (1922, 108180), (2232, 93155), (2404, 86490), (2790, 74524), (2883, 72120), (3005, 69192), (3606, 57660), (3720, 55893), (3844, 54090), (4805, 43272), (4808, 43245), (5409, 38440), (5580, 37262), (5766, 36060), (6010, 34596), (7212, 28830), (7688, 27045), (8649, 24040), (9015, 23064), (9610, 21636), (10818, 19220), (11160, 18631), (11532, 18030), (12020, 17298), (14415, 14424)]