1256789760

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{327289}}^1$

素因数の和:327313

約数の個数: 72

約数和(自身を含む): 4013884560

約数和(自身を除く): 2757094800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 327289, 654578, 981867, 1309156, 1636445, 1963734, 2618312, 3272890, 3927468, 4909335, 5236624, 6545780, 7854936, 9818670, 10473248, 13091560, 15709872, 19637340, 20946496, 26183120, 31419744, 39274680, 41892992, 52366240, 62839488, 78549360, 83785984, 104732480, 125678976, 157098720, 209464960, 251357952, 314197440, 418929920, 628394880, 1256789760]

約数ペア:

[(1, 1256789760), (2, 628394880), (3, 418929920), (4, 314197440), (5, 251357952), (6, 209464960), (8, 157098720), (10, 125678976), (12, 104732480), (15, 83785984), (16, 78549360), (20, 62839488), (24, 52366240), (30, 41892992), (32, 39274680), (40, 31419744), (48, 26183120), (60, 20946496), (64, 19637340), (80, 15709872), (96, 13091560), (120, 10473248), (128, 9818670), (160, 7854936), (192, 6545780), (240, 5236624), (256, 4909335), (320, 3927468), (384, 3272890), (480, 2618312), (640, 1963734), (768, 1636445), (960, 1309156), (1280, 981867), (1920, 654578), (3840, 327289)]