1114814720

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{16433}}^1$

素因数の和:16507

約数の個数: 72

約数和(自身を含む): 2720878776

約数和(自身を除く): 1606064056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 530, 640, 848, 1060, 1280, 1696, 2120, 3392, 4240, 6784, 8480, 13568, 16433, 16960, 32866, 33920, 65732, 67840, 82165, 131464, 164330, 262928, 328660, 525856, 657320, 870949, 1051712, 1314640, 1741898, 2103424, 2629280, 3483796, 4206848, 4354745, 5258560, 6967592, 8709490, 10517120, 13935184, 17418980, 21034240, 27870368, 34837960, 55740736, 69675920, 111481472, 139351840, 222962944, 278703680, 557407360, 1114814720]

約数ペア:

[(1, 1114814720), (2, 557407360), (4, 278703680), (5, 222962944), (8, 139351840), (10, 111481472), (16, 69675920), (20, 55740736), (32, 34837960), (40, 27870368), (53, 21034240), (64, 17418980), (80, 13935184), (106, 10517120), (128, 8709490), (160, 6967592), (212, 5258560), (256, 4354745), (265, 4206848), (320, 3483796), (424, 2629280), (530, 2103424), (640, 1741898), (848, 1314640), (1060, 1051712), (1280, 870949), (1696, 657320), (2120, 525856), (3392, 328660), (4240, 262928), (6784, 164330), (8480, 131464), (13568, 82165), (16433, 67840), (16960, 65732), (32866, 33920)]