81316950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 192

約数和(自身を含む): 251983872

約数和(自身を除く): 170666922

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 17, 22, 25, 26, 30, 33, 34, 39, 50, 51, 55, 65, 66, 75, 78, 85, 102, 110, 130, 143, 150, 165, 170, 187, 195, 221, 223, 255, 275, 286, 325, 330, 374, 390, 425, 429, 442, 446, 510, 550, 561, 650, 663, 669, 715, 825, 850, 858, 935, 975, 1105, 1115, 1122, 1275, 1326, 1338, 1430, 1650, 1870, 1950, 2145, 2210, 2230, 2431, 2453, 2550, 2805, 2899, 3315, 3345, 3575, 3791, 4290, 4675, 4862, 4906, 5525, 5575, 5610, 5798, 6630, 6690, 7150, 7293, 7359, 7582, 8697, 9350, 10725, 11050, 11150, 11373, 12155, 12265, 14025, 14495, 14586, 14718, 16575, 16725, 17394, 18955, 21450, 22746, 24310, 24530, 28050, 28990, 31889, 33150, 33450, 36465, 36795, 37910, 41701, 43485, 49283, 56865, 60775, 61325, 63778, 72475, 72930, 73590, 83402, 86970, 94775, 95667, 98566, 113730, 121550, 122650, 125103, 144950, 147849, 159445, 182325, 183975, 189550, 191334, 208505, 217425, 246415, 250206, 284325, 295698, 318890, 364650, 367950, 417010, 434850, 478335, 492830, 542113, 568650, 625515, 739245, 797225, 956670, 1042525, 1084226, 1232075, 1251030, 1478490, 1594450, 1626339, 2085050, 2391675, 2464150, 2710565, 3127575, 3252678, 3696225, 4783350, 5421130, 6255150, 7392450, 8131695, 13552825, 16263390, 27105650, 40658475, 81316950]

約数ペア:

[(1, 81316950), (2, 40658475), (3, 27105650), (5, 16263390), (6, 13552825), (10, 8131695), (11, 7392450), (13, 6255150), (15, 5421130), (17, 4783350), (22, 3696225), (25, 3252678), (26, 3127575), (30, 2710565), (33, 2464150), (34, 2391675), (39, 2085050), (50, 1626339), (51, 1594450), (55, 1478490), (65, 1251030), (66, 1232075), (75, 1084226), (78, 1042525), (85, 956670), (102, 797225), (110, 739245), (130, 625515), (143, 568650), (150, 542113), (165, 492830), (170, 478335), (187, 434850), (195, 417010), (221, 367950), (223, 364650), (255, 318890), (275, 295698), (286, 284325), (325, 250206), (330, 246415), (374, 217425), (390, 208505), (425, 191334), (429, 189550), (442, 183975), (446, 182325), (510, 159445), (550, 147849), (561, 144950), (650, 125103), (663, 122650), (669, 121550), (715, 113730), (825, 98566), (850, 95667), (858, 94775), (935, 86970), (975, 83402), (1105, 73590), (1115, 72930), (1122, 72475), (1275, 63778), (1326, 61325), (1338, 60775), (1430, 56865), (1650, 49283), (1870, 43485), (1950, 41701), (2145, 37910), (2210, 36795), (2230, 36465), (2431, 33450), (2453, 33150), (2550, 31889), (2805, 28990), (2899, 28050), (3315, 24530), (3345, 24310), (3575, 22746), (3791, 21450), (4290, 18955), (4675, 17394), (4862, 16725), (4906, 16575), (5525, 14718), (5575, 14586), (5610, 14495), (5798, 14025), (6630, 12265), (6690, 12155), (7150, 11373), (7293, 11150), (7359, 11050), (7582, 10725), (8697, 9350)]