1212040480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4987}}^1$

素因数の和:5047

約数の個数: 144

約数和(自身を含む): 3439086336

約数和(自身を除く): 2227045856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 992, 1085, 1120, 1240, 1519, 1568, 1736, 1960, 2170, 2480, 3038, 3472, 3920, 4340, 4960, 4987, 6076, 6944, 7595, 7840, 8680, 9974, 12152, 15190, 17360, 19948, 24304, 24935, 30380, 34720, 34909, 39896, 48608, 49870, 60760, 69818, 79792, 99740, 121520, 139636, 154597, 159584, 174545, 199480, 243040, 244363, 279272, 309194, 349090, 398960, 488726, 558544, 618388, 698180, 772985, 797920, 977452, 1082179, 1117088, 1221815, 1236776, 1396360, 1545970, 1954904, 2164358, 2443630, 2473552, 2792720, 3091940, 3909808, 4328716, 4887260, 4947104, 5410895, 5585440, 6183880, 7575253, 7819616, 8657432, 9774520, 10821790, 12367760, 15150506, 17314864, 19549040, 21643580, 24735520, 30301012, 34629728, 37876265, 39098080, 43287160, 60602024, 75752530, 86574320, 121204048, 151505060, 173148640, 242408096, 303010120, 606020240, 1212040480]

約数ペア:

[(1, 1212040480), (2, 606020240), (4, 303010120), (5, 242408096), (7, 173148640), (8, 151505060), (10, 121204048), (14, 86574320), (16, 75752530), (20, 60602024), (28, 43287160), (31, 39098080), (32, 37876265), (35, 34629728), (40, 30301012), (49, 24735520), (56, 21643580), (62, 19549040), (70, 17314864), (80, 15150506), (98, 12367760), (112, 10821790), (124, 9774520), (140, 8657432), (155, 7819616), (160, 7575253), (196, 6183880), (217, 5585440), (224, 5410895), (245, 4947104), (248, 4887260), (280, 4328716), (310, 3909808), (392, 3091940), (434, 2792720), (490, 2473552), (496, 2443630), (560, 2164358), (620, 1954904), (784, 1545970), (868, 1396360), (980, 1236776), (992, 1221815), (1085, 1117088), (1120, 1082179), (1240, 977452), (1519, 797920), (1568, 772985), (1736, 698180), (1960, 618388), (2170, 558544), (2480, 488726), (3038, 398960), (3472, 349090), (3920, 309194), (4340, 279272), (4960, 244363), (4987, 243040), (6076, 199480), (6944, 174545), (7595, 159584), (7840, 154597), (8680, 139636), (9974, 121520), (12152, 99740), (15190, 79792), (17360, 69818), (19948, 60760), (24304, 49870), (24935, 48608), (30380, 39896), (34720, 34909)]