81218016

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:885

約数の個数: 144

約数和(自身を含む): 260402688

約数和(自身を除く): 179184672

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 31, 32, 33, 36, 44, 48, 62, 66, 72, 88, 93, 96, 99, 124, 132, 144, 176, 186, 198, 248, 264, 279, 288, 341, 352, 372, 396, 496, 528, 558, 682, 744, 792, 827, 992, 1023, 1056, 1116, 1364, 1488, 1584, 1654, 2046, 2232, 2481, 2728, 2976, 3069, 3168, 3308, 4092, 4464, 4962, 5456, 6138, 6616, 7443, 8184, 8928, 9097, 9924, 10912, 12276, 13232, 14886, 16368, 18194, 19848, 24552, 25637, 26464, 27291, 29772, 32736, 36388, 39696, 49104, 51274, 54582, 59544, 72776, 76911, 79392, 81873, 98208, 102548, 109164, 119088, 145552, 153822, 163746, 205096, 218328, 230733, 238176, 282007, 291104, 307644, 327492, 410192, 436656, 461466, 564014, 615288, 654984, 820384, 846021, 873312, 922932, 1128028, 1230576, 1309968, 1692042, 1845864, 2256056, 2461152, 2538063, 2619936, 3384084, 3691728, 4512112, 5076126, 6768168, 7383456, 9024224, 10152252, 13536336, 20304504, 27072672, 40609008, 81218016]

約数ペア:

[(1, 81218016), (2, 40609008), (3, 27072672), (4, 20304504), (6, 13536336), (8, 10152252), (9, 9024224), (11, 7383456), (12, 6768168), (16, 5076126), (18, 4512112), (22, 3691728), (24, 3384084), (31, 2619936), (32, 2538063), (33, 2461152), (36, 2256056), (44, 1845864), (48, 1692042), (62, 1309968), (66, 1230576), (72, 1128028), (88, 922932), (93, 873312), (96, 846021), (99, 820384), (124, 654984), (132, 615288), (144, 564014), (176, 461466), (186, 436656), (198, 410192), (248, 327492), (264, 307644), (279, 291104), (288, 282007), (341, 238176), (352, 230733), (372, 218328), (396, 205096), (496, 163746), (528, 153822), (558, 145552), (682, 119088), (744, 109164), (792, 102548), (827, 98208), (992, 81873), (1023, 79392), (1056, 76911), (1116, 72776), (1364, 59544), (1488, 54582), (1584, 51274), (1654, 49104), (2046, 39696), (2232, 36388), (2481, 32736), (2728, 29772), (2976, 27291), (3069, 26464), (3168, 25637), (3308, 24552), (4092, 19848), (4464, 18194), (4962, 16368), (5456, 14886), (6138, 13232), (6616, 12276), (7443, 10912), (8184, 9924), (8928, 9097)]