72968960

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 176724240

約数和(自身を除く): 103755280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 523, 545, 640, 872, 1046, 1090, 1280, 1744, 2092, 2180, 2615, 3488, 4184, 4360, 5230, 6976, 8368, 8720, 10460, 13952, 16736, 17440, 20920, 27904, 33472, 34880, 41840, 57007, 66944, 69760, 83680, 114014, 133888, 139520, 167360, 228028, 285035, 334720, 456056, 570070, 669440, 912112, 1140140, 1824224, 2280280, 3648448, 4560560, 7296896, 9121120, 14593792, 18242240, 36484480, 72968960]

約数ペア:

[(1, 72968960), (2, 36484480), (4, 18242240), (5, 14593792), (8, 9121120), (10, 7296896), (16, 4560560), (20, 3648448), (32, 2280280), (40, 1824224), (64, 1140140), (80, 912112), (109, 669440), (128, 570070), (160, 456056), (218, 334720), (256, 285035), (320, 228028), (436, 167360), (523, 139520), (545, 133888), (640, 114014), (872, 83680), (1046, 69760), (1090, 66944), (1280, 57007), (1744, 41840), (2092, 34880), (2180, 33472), (2615, 27904), (3488, 20920), (4184, 17440), (4360, 16736), (5230, 13952), (6976, 10460), (8368, 8720)]