987889040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{38231}}^1$

素因数の和:38280

約数の個数: 80

約数和(自身を含む): 2560014720

約数和(自身を除く): 1572125680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 3230, 5168, 6460, 12920, 25840, 38231, 76462, 152924, 191155, 305848, 382310, 611696, 649927, 726389, 764620, 1299854, 1452778, 1529240, 2599708, 2905556, 3058480, 3249635, 3631945, 5199416, 5811112, 6499270, 7263890, 10398832, 11622224, 12348613, 12998540, 14527780, 24697226, 25997080, 29055560, 49394452, 51994160, 58111120, 61743065, 98788904, 123486130, 197577808, 246972260, 493944520, 987889040]

約数ペア:

[(1, 987889040), (2, 493944520), (4, 246972260), (5, 197577808), (8, 123486130), (10, 98788904), (16, 61743065), (17, 58111120), (19, 51994160), (20, 49394452), (34, 29055560), (38, 25997080), (40, 24697226), (68, 14527780), (76, 12998540), (80, 12348613), (85, 11622224), (95, 10398832), (136, 7263890), (152, 6499270), (170, 5811112), (190, 5199416), (272, 3631945), (304, 3249635), (323, 3058480), (340, 2905556), (380, 2599708), (646, 1529240), (680, 1452778), (760, 1299854), (1292, 764620), (1360, 726389), (1520, 649927), (1615, 611696), (2584, 382310), (3230, 305848), (5168, 191155), (6460, 152924), (12920, 76462), (25840, 38231)]