126737920

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1651

約数の個数: 80

約数和(自身を含む): 313872768

約数和(自身を除く): 187134848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1597, 1984, 2480, 2560, 3194, 3968, 4960, 6388, 7936, 7985, 9920, 12776, 15872, 15970, 19840, 25552, 31940, 39680, 49507, 51104, 63880, 79360, 99014, 102208, 127760, 198028, 204416, 247535, 255520, 396056, 408832, 495070, 511040, 792112, 817664, 990140, 1022080, 1584224, 1980280, 2044160, 3168448, 3960560, 4088320, 6336896, 7921120, 12673792, 15842240, 25347584, 31684480, 63368960, 126737920]

約数ペア:

[(1, 126737920), (2, 63368960), (4, 31684480), (5, 25347584), (8, 15842240), (10, 12673792), (16, 7921120), (20, 6336896), (31, 4088320), (32, 3960560), (40, 3168448), (62, 2044160), (64, 1980280), (80, 1584224), (124, 1022080), (128, 990140), (155, 817664), (160, 792112), (248, 511040), (256, 495070), (310, 408832), (320, 396056), (496, 255520), (512, 247535), (620, 204416), (640, 198028), (992, 127760), (1240, 102208), (1280, 99014), (1597, 79360), (1984, 63880), (2480, 51104), (2560, 49507), (3194, 39680), (3968, 31940), (4960, 25552), (6388, 19840), (7936, 15970), (7985, 15872), (9920, 12776)]