87451980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:876

約数の個数: 192

約数和(自身を含む): 318947328

約数和(自身を除く): 231495348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 23, 28, 30, 33, 35, 42, 44, 46, 55, 60, 66, 69, 70, 77, 84, 92, 105, 110, 115, 132, 138, 140, 154, 161, 165, 210, 220, 230, 231, 253, 276, 308, 322, 330, 345, 385, 420, 460, 462, 483, 506, 644, 660, 690, 759, 770, 805, 823, 924, 966, 1012, 1155, 1265, 1380, 1518, 1540, 1610, 1646, 1771, 1932, 2310, 2415, 2469, 2530, 3036, 3220, 3292, 3542, 3795, 4115, 4620, 4830, 4938, 5060, 5313, 5761, 7084, 7590, 8230, 8855, 9053, 9660, 9876, 10626, 11522, 12345, 15180, 16460, 17283, 17710, 18106, 18929, 21252, 23044, 24690, 26565, 27159, 28805, 34566, 35420, 36212, 37858, 45265, 49380, 53130, 54318, 56787, 57610, 63371, 69132, 75716, 86415, 90530, 94645, 106260, 108636, 113574, 115220, 126742, 132503, 135795, 172830, 181060, 189290, 190113, 208219, 227148, 253484, 265006, 271590, 283935, 316855, 345660, 378580, 380226, 397509, 416438, 530012, 543180, 567870, 624657, 633710, 662515, 760452, 795018, 832876, 950565, 1041095, 1135740, 1249314, 1267420, 1325030, 1457533, 1590036, 1901130, 1987545, 2082190, 2498628, 2650060, 2915066, 3123285, 3802260, 3975090, 4164380, 4372599, 5830132, 6246570, 7287665, 7950180, 8745198, 12493140, 14575330, 17490396, 21862995, 29150660, 43725990, 87451980]

約数ペア:

[(1, 87451980), (2, 43725990), (3, 29150660), (4, 21862995), (5, 17490396), (6, 14575330), (7, 12493140), (10, 8745198), (11, 7950180), (12, 7287665), (14, 6246570), (15, 5830132), (20, 4372599), (21, 4164380), (22, 3975090), (23, 3802260), (28, 3123285), (30, 2915066), (33, 2650060), (35, 2498628), (42, 2082190), (44, 1987545), (46, 1901130), (55, 1590036), (60, 1457533), (66, 1325030), (69, 1267420), (70, 1249314), (77, 1135740), (84, 1041095), (92, 950565), (105, 832876), (110, 795018), (115, 760452), (132, 662515), (138, 633710), (140, 624657), (154, 567870), (161, 543180), (165, 530012), (210, 416438), (220, 397509), (230, 380226), (231, 378580), (253, 345660), (276, 316855), (308, 283935), (322, 271590), (330, 265006), (345, 253484), (385, 227148), (420, 208219), (460, 190113), (462, 189290), (483, 181060), (506, 172830), (644, 135795), (660, 132503), (690, 126742), (759, 115220), (770, 113574), (805, 108636), (823, 106260), (924, 94645), (966, 90530), (1012, 86415), (1155, 75716), (1265, 69132), (1380, 63371), (1518, 57610), (1540, 56787), (1610, 54318), (1646, 53130), (1771, 49380), (1932, 45265), (2310, 37858), (2415, 36212), (2469, 35420), (2530, 34566), (3036, 28805), (3220, 27159), (3292, 26565), (3542, 24690), (3795, 23044), (4115, 21252), (4620, 18929), (4830, 18106), (4938, 17710), (5060, 17283), (5313, 16460), (5761, 15180), (7084, 12345), (7590, 11522), (8230, 10626), (8855, 9876), (9053, 9660)]