71368960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4289}}^1$

素因数の和:4323

約数の個数: 72

約数和(自身を含む): 184143960

約数和(自身を除く): 112775000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 4289, 8320, 8578, 16640, 17156, 21445, 34312, 42890, 55757, 68624, 85780, 111514, 137248, 171560, 223028, 274496, 278785, 343120, 446056, 548992, 557570, 686240, 892112, 1097984, 1115140, 1372480, 1784224, 2230280, 2744960, 3568448, 4460560, 5489920, 7136896, 8921120, 14273792, 17842240, 35684480, 71368960]

約数ペア:

[(1, 71368960), (2, 35684480), (4, 17842240), (5, 14273792), (8, 8921120), (10, 7136896), (13, 5489920), (16, 4460560), (20, 3568448), (26, 2744960), (32, 2230280), (40, 1784224), (52, 1372480), (64, 1115140), (65, 1097984), (80, 892112), (104, 686240), (128, 557570), (130, 548992), (160, 446056), (208, 343120), (256, 278785), (260, 274496), (320, 223028), (416, 171560), (520, 137248), (640, 111514), (832, 85780), (1040, 68624), (1280, 55757), (1664, 42890), (2080, 34312), (3328, 21445), (4160, 17156), (4289, 16640), (8320, 8578)]