777616380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1277}}^1$

素因数の和:1508

約数の個数: 144

約数和(自身を含む): 2512036800

約数和(自身を除く): 1734420420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 199, 204, 255, 306, 340, 398, 510, 597, 612, 765, 796, 995, 1020, 1194, 1277, 1530, 1791, 1990, 2388, 2554, 2985, 3060, 3383, 3582, 3831, 3980, 5108, 5970, 6385, 6766, 7164, 7662, 8955, 10149, 11493, 11940, 12770, 13532, 15324, 16915, 17910, 19155, 20298, 21709, 22986, 25540, 30447, 33830, 35820, 38310, 40596, 43418, 45972, 50745, 57465, 60894, 65127, 67660, 76620, 86836, 101490, 108545, 114930, 121788, 130254, 152235, 195381, 202980, 217090, 229860, 254123, 260508, 304470, 325635, 390762, 434180, 508246, 608940, 651270, 762369, 781524, 976905, 1016492, 1270615, 1302540, 1524738, 1953810, 2287107, 2541230, 3049476, 3811845, 3907620, 4320091, 4574214, 5082460, 7623690, 8640182, 9148428, 11435535, 12960273, 15247380, 17280364, 21600455, 22871070, 25920546, 38880819, 43200910, 45742140, 51841092, 64801365, 77761638, 86401820, 129602730, 155523276, 194404095, 259205460, 388808190, 777616380]

約数ペア:

[(1, 777616380), (2, 388808190), (3, 259205460), (4, 194404095), (5, 155523276), (6, 129602730), (9, 86401820), (10, 77761638), (12, 64801365), (15, 51841092), (17, 45742140), (18, 43200910), (20, 38880819), (30, 25920546), (34, 22871070), (36, 21600455), (45, 17280364), (51, 15247380), (60, 12960273), (68, 11435535), (85, 9148428), (90, 8640182), (102, 7623690), (153, 5082460), (170, 4574214), (180, 4320091), (199, 3907620), (204, 3811845), (255, 3049476), (306, 2541230), (340, 2287107), (398, 1953810), (510, 1524738), (597, 1302540), (612, 1270615), (765, 1016492), (796, 976905), (995, 781524), (1020, 762369), (1194, 651270), (1277, 608940), (1530, 508246), (1791, 434180), (1990, 390762), (2388, 325635), (2554, 304470), (2985, 260508), (3060, 254123), (3383, 229860), (3582, 217090), (3831, 202980), (3980, 195381), (5108, 152235), (5970, 130254), (6385, 121788), (6766, 114930), (7164, 108545), (7662, 101490), (8955, 86836), (10149, 76620), (11493, 67660), (11940, 65127), (12770, 60894), (13532, 57465), (15324, 50745), (16915, 45972), (17910, 43418), (19155, 40596), (20298, 38310), (21709, 35820), (22986, 33830), (25540, 30447)]