81261008960

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1\times {\mathrm{9547}}^1$

素因数の和:10028

約数の個数: 112

約数和(自身を含む): 196906188864

約数和(自身を除く): 115645179904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 397, 536, 670, 794, 1072, 1340, 1588, 1985, 2144, 2680, 3176, 3970, 4288, 5360, 6352, 7940, 9547, 10720, 12704, 15880, 19094, 21440, 25408, 26599, 31760, 38188, 47735, 53198, 63520, 76376, 95470, 106396, 127040, 132995, 152752, 190940, 212792, 265990, 305504, 381880, 425584, 531980, 611008, 639649, 763760, 851168, 1063960, 1279298, 1527520, 1702336, 2127920, 2558596, 3055040, 3198245, 3790159, 4255840, 5117192, 6396490, 7580318, 8511680, 10234384, 12792980, 15160636, 18950795, 20468768, 25585960, 30321272, 37901590, 40937536, 51171920, 60642544, 75803180, 102343840, 121285088, 151606360, 204687680, 242570176, 253940653, 303212720, 507881306, 606425440, 1015762612, 1212850880, 1269703265, 2031525224, 2539406530, 4063050448, 5078813060, 8126100896, 10157626120, 16252201792, 20315252240, 40630504480, 81261008960]

約数ペア:

[(1, 81261008960), (2, 40630504480), (4, 20315252240), (5, 16252201792), (8, 10157626120), (10, 8126100896), (16, 5078813060), (20, 4063050448), (32, 2539406530), (40, 2031525224), (64, 1269703265), (67, 1212850880), (80, 1015762612), (134, 606425440), (160, 507881306), (268, 303212720), (320, 253940653), (335, 242570176), (397, 204687680), (536, 151606360), (670, 121285088), (794, 102343840), (1072, 75803180), (1340, 60642544), (1588, 51171920), (1985, 40937536), (2144, 37901590), (2680, 30321272), (3176, 25585960), (3970, 20468768), (4288, 18950795), (5360, 15160636), (6352, 12792980), (7940, 10234384), (9547, 8511680), (10720, 7580318), (12704, 6396490), (15880, 5117192), (19094, 4255840), (21440, 3790159), (25408, 3198245), (26599, 3055040), (31760, 2558596), (38188, 2127920), (47735, 1702336), (53198, 1527520), (63520, 1279298), (76376, 1063960), (95470, 851168), (106396, 763760), (127040, 639649), (132995, 611008), (152752, 531980), (190940, 425584), (212792, 381880), (265990, 305504)]