81660810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:133

約数の個数: 256

約数和(自身を含む): 268738560

約数和(自身を除く): 187077750

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 23, 29, 30, 33, 35, 42, 46, 53, 55, 58, 66, 69, 70, 77, 87, 105, 106, 110, 115, 138, 145, 154, 159, 161, 165, 174, 203, 210, 230, 231, 253, 265, 290, 318, 319, 322, 330, 345, 371, 385, 406, 435, 462, 483, 506, 530, 583, 609, 638, 667, 690, 742, 759, 770, 795, 805, 870, 957, 966, 1015, 1113, 1155, 1166, 1218, 1219, 1265, 1334, 1518, 1537, 1590, 1595, 1610, 1749, 1771, 1855, 1914, 2001, 2030, 2226, 2233, 2310, 2415, 2438, 2530, 2915, 3045, 3074, 3190, 3335, 3498, 3542, 3657, 3710, 3795, 4002, 4081, 4466, 4611, 4669, 4785, 4830, 5313, 5565, 5830, 6090, 6095, 6670, 6699, 7314, 7337, 7590, 7685, 8162, 8533, 8745, 8855, 9222, 9338, 9570, 10005, 10626, 10759, 11130, 11165, 12190, 12243, 13398, 13409, 14007, 14674, 15370, 16907, 17066, 17490, 17710, 18285, 20010, 20405, 21518, 22011, 22330, 23055, 23345, 24486, 25599, 26565, 26818, 28014, 32277, 33495, 33814, 35351, 36570, 36685, 40227, 40810, 42665, 44022, 46110, 46690, 50721, 51198, 51359, 53130, 53795, 61215, 64554, 66990, 67045, 70035, 70702, 73370, 80454, 84535, 85330, 93863, 101442, 102718, 106053, 107590, 110055, 118349, 122430, 127995, 134090, 140070, 154077, 161385, 169070, 176755, 187726, 201135, 212106, 220110, 236698, 247457, 253605, 255990, 256795, 281589, 308154, 322770, 353510, 355047, 388861, 402270, 469315, 494914, 507210, 513590, 530265, 563178, 591745, 710094, 742371, 770385, 777722, 938630, 1060530, 1166583, 1183490, 1237285, 1407945, 1484742, 1540770, 1775235, 1944305, 2333166, 2474570, 2722027, 2815890, 3550470, 3711855, 3888610, 5444054, 5832915, 7423710, 8166081, 11665830, 13610135, 16332162, 27220270, 40830405, 81660810]

約数ペア:

[(1, 81660810), (2, 40830405), (3, 27220270), (5, 16332162), (6, 13610135), (7, 11665830), (10, 8166081), (11, 7423710), (14, 5832915), (15, 5444054), (21, 3888610), (22, 3711855), (23, 3550470), (29, 2815890), (30, 2722027), (33, 2474570), (35, 2333166), (42, 1944305), (46, 1775235), (53, 1540770), (55, 1484742), (58, 1407945), (66, 1237285), (69, 1183490), (70, 1166583), (77, 1060530), (87, 938630), (105, 777722), (106, 770385), (110, 742371), (115, 710094), (138, 591745), (145, 563178), (154, 530265), (159, 513590), (161, 507210), (165, 494914), (174, 469315), (203, 402270), (210, 388861), (230, 355047), (231, 353510), (253, 322770), (265, 308154), (290, 281589), (318, 256795), (319, 255990), (322, 253605), (330, 247457), (345, 236698), (371, 220110), (385, 212106), (406, 201135), (435, 187726), (462, 176755), (483, 169070), (506, 161385), (530, 154077), (583, 140070), (609, 134090), (638, 127995), (667, 122430), (690, 118349), (742, 110055), (759, 107590), (770, 106053), (795, 102718), (805, 101442), (870, 93863), (957, 85330), (966, 84535), (1015, 80454), (1113, 73370), (1155, 70702), (1166, 70035), (1218, 67045), (1219, 66990), (1265, 64554), (1334, 61215), (1518, 53795), (1537, 53130), (1590, 51359), (1595, 51198), (1610, 50721), (1749, 46690), (1771, 46110), (1855, 44022), (1914, 42665), (2001, 40810), (2030, 40227), (2226, 36685), (2233, 36570), (2310, 35351), (2415, 33814), (2438, 33495), (2530, 32277), (2915, 28014), (3045, 26818), (3074, 26565), (3190, 25599), (3335, 24486), (3498, 23345), (3542, 23055), (3657, 22330), (3710, 22011), (3795, 21518), (4002, 20405), (4081, 20010), (4466, 18285), (4611, 17710), (4669, 17490), (4785, 17066), (4830, 16907), (5313, 15370), (5565, 14674), (5830, 14007), (6090, 13409), (6095, 13398), (6670, 12243), (6699, 12190), (7314, 11165), (7337, 11130), (7590, 10759), (7685, 10626), (8162, 10005), (8533, 9570), (8745, 9338), (8855, 9222)]