861176960

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{3923}}^1$

素因数の和:3963

約数の個数: 128

約数和(自身を含む): 2401488000

約数和(自身を除く): 1540311040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 896, 980, 1120, 1372, 1568, 1715, 1960, 2240, 2744, 3136, 3430, 3920, 3923, 4480, 5488, 6272, 6860, 7840, 7846, 10976, 13720, 15680, 15692, 19615, 21952, 27440, 27461, 31360, 31384, 39230, 43904, 54880, 54922, 62768, 78460, 109760, 109844, 125536, 137305, 156920, 192227, 219520, 219688, 251072, 274610, 313840, 384454, 439376, 502144, 549220, 627680, 768908, 878752, 961135, 1098440, 1255360, 1345589, 1537816, 1757504, 1922270, 2196880, 2510720, 2691178, 3075632, 3515008, 3844540, 4393760, 5382356, 6151264, 6727945, 7689080, 8787520, 10764712, 12302528, 13455890, 15378160, 17575040, 21529424, 24605056, 26911780, 30756320, 43058848, 53823560, 61512640, 86117696, 107647120, 123025280, 172235392, 215294240, 430588480, 861176960]

約数ペア:

[(1, 861176960), (2, 430588480), (4, 215294240), (5, 172235392), (7, 123025280), (8, 107647120), (10, 86117696), (14, 61512640), (16, 53823560), (20, 43058848), (28, 30756320), (32, 26911780), (35, 24605056), (40, 21529424), (49, 17575040), (56, 15378160), (64, 13455890), (70, 12302528), (80, 10764712), (98, 8787520), (112, 7689080), (128, 6727945), (140, 6151264), (160, 5382356), (196, 4393760), (224, 3844540), (245, 3515008), (280, 3075632), (320, 2691178), (343, 2510720), (392, 2196880), (448, 1922270), (490, 1757504), (560, 1537816), (640, 1345589), (686, 1255360), (784, 1098440), (896, 961135), (980, 878752), (1120, 768908), (1372, 627680), (1568, 549220), (1715, 502144), (1960, 439376), (2240, 384454), (2744, 313840), (3136, 274610), (3430, 251072), (3920, 219688), (3923, 219520), (4480, 192227), (5488, 156920), (6272, 137305), (6860, 125536), (7840, 109844), (7846, 109760), (10976, 78460), (13720, 62768), (15680, 54922), (15692, 54880), (19615, 43904), (21952, 39230), (27440, 31384), (27461, 31360)]