81022578

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 192

約数和(自身を含む): 227525760

約数和(自身を除く): 146503182

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 29, 34, 39, 42, 43, 49, 51, 58, 78, 86, 87, 91, 98, 102, 119, 129, 147, 174, 182, 203, 221, 238, 258, 273, 294, 301, 357, 377, 406, 442, 493, 546, 559, 602, 609, 637, 663, 714, 731, 754, 833, 903, 986, 1118, 1131, 1218, 1247, 1274, 1326, 1421, 1462, 1479, 1547, 1666, 1677, 1806, 1911, 2107, 2193, 2262, 2494, 2499, 2639, 2842, 2958, 3094, 3354, 3451, 3741, 3822, 3913, 4214, 4263, 4386, 4641, 4998, 5117, 5278, 6321, 6409, 6902, 7482, 7826, 7917, 8526, 8729, 9282, 9503, 10234, 10353, 10829, 11739, 12642, 12818, 15351, 15834, 16211, 17458, 18473, 19006, 19227, 20706, 21199, 21658, 23478, 24157, 26187, 27391, 28509, 30702, 32422, 32487, 35819, 36946, 38454, 42398, 44863, 48314, 48633, 52374, 54782, 55419, 57018, 61103, 63597, 64974, 66521, 71638, 72471, 82173, 89726, 97266, 107457, 110838, 113477, 122206, 127194, 133042, 134589, 144942, 148393, 164346, 183309, 199563, 214914, 226954, 269178, 275587, 296786, 314041, 340431, 366618, 399126, 445179, 465647, 551174, 628082, 680862, 794339, 826761, 890358, 931294, 942123, 1038751, 1396941, 1588678, 1653522, 1884246, 1929109, 2077502, 2383017, 2793882, 3116253, 3858218, 4766034, 5787327, 6232506, 11574654, 13503763, 27007526, 40511289, 81022578]

約数ペア:

[(1, 81022578), (2, 40511289), (3, 27007526), (6, 13503763), (7, 11574654), (13, 6232506), (14, 5787327), (17, 4766034), (21, 3858218), (26, 3116253), (29, 2793882), (34, 2383017), (39, 2077502), (42, 1929109), (43, 1884246), (49, 1653522), (51, 1588678), (58, 1396941), (78, 1038751), (86, 942123), (87, 931294), (91, 890358), (98, 826761), (102, 794339), (119, 680862), (129, 628082), (147, 551174), (174, 465647), (182, 445179), (203, 399126), (221, 366618), (238, 340431), (258, 314041), (273, 296786), (294, 275587), (301, 269178), (357, 226954), (377, 214914), (406, 199563), (442, 183309), (493, 164346), (546, 148393), (559, 144942), (602, 134589), (609, 133042), (637, 127194), (663, 122206), (714, 113477), (731, 110838), (754, 107457), (833, 97266), (903, 89726), (986, 82173), (1118, 72471), (1131, 71638), (1218, 66521), (1247, 64974), (1274, 63597), (1326, 61103), (1421, 57018), (1462, 55419), (1479, 54782), (1547, 52374), (1666, 48633), (1677, 48314), (1806, 44863), (1911, 42398), (2107, 38454), (2193, 36946), (2262, 35819), (2494, 32487), (2499, 32422), (2639, 30702), (2842, 28509), (2958, 27391), (3094, 26187), (3354, 24157), (3451, 23478), (3741, 21658), (3822, 21199), (3913, 20706), (4214, 19227), (4263, 19006), (4386, 18473), (4641, 17458), (4998, 16211), (5117, 15834), (5278, 15351), (6321, 12818), (6409, 12642), (6902, 11739), (7482, 10829), (7826, 10353), (7917, 10234), (8526, 9503), (8729, 9282)]