208548180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:279

約数の個数: 216

約数和(自身を含む): 710717280

約数和(自身を除く): 502169100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 211, 228, 255, 285, 289, 306, 323, 340, 342, 380, 422, 510, 570, 578, 612, 633, 646, 684, 765, 844, 855, 867, 969, 1020, 1055, 1140, 1156, 1266, 1292, 1445, 1530, 1615, 1710, 1734, 1899, 1938, 2110, 2532, 2601, 2890, 2907, 3060, 3165, 3230, 3420, 3468, 3587, 3798, 3876, 4009, 4220, 4335, 4845, 5202, 5491, 5780, 5814, 6330, 6460, 7174, 7596, 8018, 8670, 9495, 9690, 10404, 10761, 10982, 11628, 12027, 12660, 13005, 14348, 14535, 16036, 16473, 17340, 17935, 18990, 19380, 20045, 21522, 21964, 24054, 26010, 27455, 29070, 32283, 32946, 35870, 36081, 37980, 40090, 43044, 48108, 49419, 52020, 53805, 54910, 58140, 60135, 60979, 64566, 65892, 68153, 71740, 72162, 80180, 82365, 98838, 107610, 109820, 120270, 121958, 129132, 136306, 144324, 161415, 164730, 180405, 182937, 197676, 204459, 215220, 240540, 243916, 247095, 272612, 304895, 322830, 329460, 340765, 360810, 365874, 408918, 494190, 548811, 609790, 613377, 645660, 681530, 721620, 731748, 817836, 914685, 988380, 1022295, 1097622, 1158601, 1219580, 1226754, 1363060, 1829370, 2044590, 2195244, 2317202, 2453508, 2744055, 3066885, 3475803, 3658740, 4089180, 4634404, 5488110, 5793005, 6133770, 6951606, 10427409, 10976220, 11586010, 12267540, 13903212, 17379015, 20854818, 23172020, 34758030, 41709636, 52137045, 69516060, 104274090, 208548180]

約数ペア:

[(1, 208548180), (2, 104274090), (3, 69516060), (4, 52137045), (5, 41709636), (6, 34758030), (9, 23172020), (10, 20854818), (12, 17379015), (15, 13903212), (17, 12267540), (18, 11586010), (19, 10976220), (20, 10427409), (30, 6951606), (34, 6133770), (36, 5793005), (38, 5488110), (45, 4634404), (51, 4089180), (57, 3658740), (60, 3475803), (68, 3066885), (76, 2744055), (85, 2453508), (90, 2317202), (95, 2195244), (102, 2044590), (114, 1829370), (153, 1363060), (170, 1226754), (171, 1219580), (180, 1158601), (190, 1097622), (204, 1022295), (211, 988380), (228, 914685), (255, 817836), (285, 731748), (289, 721620), (306, 681530), (323, 645660), (340, 613377), (342, 609790), (380, 548811), (422, 494190), (510, 408918), (570, 365874), (578, 360810), (612, 340765), (633, 329460), (646, 322830), (684, 304895), (765, 272612), (844, 247095), (855, 243916), (867, 240540), (969, 215220), (1020, 204459), (1055, 197676), (1140, 182937), (1156, 180405), (1266, 164730), (1292, 161415), (1445, 144324), (1530, 136306), (1615, 129132), (1710, 121958), (1734, 120270), (1899, 109820), (1938, 107610), (2110, 98838), (2532, 82365), (2601, 80180), (2890, 72162), (2907, 71740), (3060, 68153), (3165, 65892), (3230, 64566), (3420, 60979), (3468, 60135), (3587, 58140), (3798, 54910), (3876, 53805), (4009, 52020), (4220, 49419), (4335, 48108), (4845, 43044), (5202, 40090), (5491, 37980), (5780, 36081), (5814, 35870), (6330, 32946), (6460, 32283), (7174, 29070), (7596, 27455), (8018, 26010), (8670, 24054), (9495, 21964), (9690, 21522), (10404, 20045), (10761, 19380), (10982, 18990), (11628, 17935), (12027, 17340), (12660, 16473), (13005, 16036), (14348, 14535)]