638941968

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1091}}^1$

素因数の和:1202

約数の個数: 180

約数和(自身を含む): 2107083888

約数和(自身を除く): 1468141920

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 83, 84, 98, 112, 126, 144, 147, 166, 168, 196, 249, 252, 294, 332, 336, 392, 441, 498, 504, 581, 588, 664, 747, 784, 882, 996, 1008, 1091, 1162, 1176, 1328, 1494, 1743, 1764, 1992, 2182, 2324, 2352, 2988, 3273, 3486, 3528, 3984, 4067, 4364, 4648, 5229, 5976, 6546, 6972, 7056, 7637, 8134, 8728, 9296, 9819, 10458, 11952, 12201, 13092, 13944, 15274, 16268, 17456, 19638, 20916, 22911, 24402, 26184, 27888, 30548, 32536, 36603, 39276, 41832, 45822, 48804, 52368, 53459, 61096, 65072, 68733, 73206, 78552, 83664, 90553, 91644, 97608, 106918, 122192, 137466, 146412, 157104, 160377, 181106, 183288, 195216, 213836, 271659, 274932, 292824, 320754, 362212, 366576, 427672, 481131, 543318, 549864, 585648, 633871, 641508, 724424, 814977, 855344, 962262, 1086636, 1099728, 1267742, 1283016, 1448848, 1629954, 1901613, 1924524, 2173272, 2535484, 2566032, 3259908, 3803226, 3849048, 4346544, 4437097, 5070968, 5704839, 6519816, 7606452, 7698096, 8874194, 10141936, 11409678, 13039632, 13311291, 15212904, 17748388, 22819356, 26622582, 30425808, 35496776, 39933873, 45638712, 53245164, 70993552, 79867746, 91277424, 106490328, 159735492, 212980656, 319470984, 638941968]

約数ペア:

[(1, 638941968), (2, 319470984), (3, 212980656), (4, 159735492), (6, 106490328), (7, 91277424), (8, 79867746), (9, 70993552), (12, 53245164), (14, 45638712), (16, 39933873), (18, 35496776), (21, 30425808), (24, 26622582), (28, 22819356), (36, 17748388), (42, 15212904), (48, 13311291), (49, 13039632), (56, 11409678), (63, 10141936), (72, 8874194), (83, 7698096), (84, 7606452), (98, 6519816), (112, 5704839), (126, 5070968), (144, 4437097), (147, 4346544), (166, 3849048), (168, 3803226), (196, 3259908), (249, 2566032), (252, 2535484), (294, 2173272), (332, 1924524), (336, 1901613), (392, 1629954), (441, 1448848), (498, 1283016), (504, 1267742), (581, 1099728), (588, 1086636), (664, 962262), (747, 855344), (784, 814977), (882, 724424), (996, 641508), (1008, 633871), (1091, 585648), (1162, 549864), (1176, 543318), (1328, 481131), (1494, 427672), (1743, 366576), (1764, 362212), (1992, 320754), (2182, 292824), (2324, 274932), (2352, 271659), (2988, 213836), (3273, 195216), (3486, 183288), (3528, 181106), (3984, 160377), (4067, 157104), (4364, 146412), (4648, 137466), (5229, 122192), (5976, 106918), (6546, 97608), (6972, 91644), (7056, 90553), (7637, 83664), (8134, 78552), (8728, 73206), (9296, 68733), (9819, 65072), (10458, 61096), (11952, 53459), (12201, 52368), (13092, 48804), (13944, 45822), (15274, 41832), (16268, 39276), (17456, 36603), (19638, 32536), (20916, 30548), (22911, 27888), (24402, 26184)]