17680640

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:767

約数の個数: 72

約数和(自身を含む): 44640960

約数和(自身を除く): 26960320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 727, 760, 1216, 1280, 1454, 1520, 2432, 2908, 3040, 3635, 4864, 5816, 6080, 7270, 11632, 12160, 13813, 14540, 23264, 24320, 27626, 29080, 46528, 55252, 58160, 69065, 93056, 110504, 116320, 138130, 186112, 221008, 232640, 276260, 442016, 465280, 552520, 884032, 930560, 1105040, 1768064, 2210080, 3536128, 4420160, 8840320, 17680640]

約数ペア:

[(1, 17680640), (2, 8840320), (4, 4420160), (5, 3536128), (8, 2210080), (10, 1768064), (16, 1105040), (19, 930560), (20, 884032), (32, 552520), (38, 465280), (40, 442016), (64, 276260), (76, 232640), (80, 221008), (95, 186112), (128, 138130), (152, 116320), (160, 110504), (190, 93056), (256, 69065), (304, 58160), (320, 55252), (380, 46528), (608, 29080), (640, 27626), (727, 24320), (760, 23264), (1216, 14540), (1280, 13813), (1454, 12160), (1520, 11632), (2432, 7270), (2908, 6080), (3040, 5816), (3635, 4864)]