61328640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{15971}}^1$

素因数の和:15995

約数の個数: 72

約数和(自身を含む): 195880608

約数和(自身を除く): 134551968

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, 15971, 31942, 47913, 63884, 79855, 95826, 127768, 159710, 191652, 239565, 255536, 319420, 383304, 479130, 511072, 638840, 766608, 958260, 1022144, 1277680, 1533216, 1916520, 2044288, 2555360, 3066432, 3833040, 4088576, 5110720, 6132864, 7666080, 10221440, 12265728, 15332160, 20442880, 30664320, 61328640]

約数ペア:

[(1, 61328640), (2, 30664320), (3, 20442880), (4, 15332160), (5, 12265728), (6, 10221440), (8, 7666080), (10, 6132864), (12, 5110720), (15, 4088576), (16, 3833040), (20, 3066432), (24, 2555360), (30, 2044288), (32, 1916520), (40, 1533216), (48, 1277680), (60, 1022144), (64, 958260), (80, 766608), (96, 638840), (120, 511072), (128, 479130), (160, 383304), (192, 319420), (240, 255536), (256, 239565), (320, 191652), (384, 159710), (480, 127768), (640, 95826), (768, 79855), (960, 63884), (1280, 47913), (1920, 31942), (3840, 15971)]