90666720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{797}}^1$

素因数の和:897

約数の個数: 144

約数和(自身を含む): 313709760

約数和(自身を除く): 223043040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 237, 240, 288, 316, 360, 395, 474, 480, 632, 711, 720, 790, 797, 948, 1185, 1264, 1422, 1440, 1580, 1594, 1896, 2370, 2391, 2528, 2844, 3160, 3188, 3555, 3792, 3985, 4740, 4782, 5688, 6320, 6376, 7110, 7173, 7584, 7970, 9480, 9564, 11376, 11955, 12640, 12752, 14220, 14346, 15940, 18960, 19128, 22752, 23910, 25504, 28440, 28692, 31880, 35865, 37920, 38256, 47820, 56880, 57384, 62963, 63760, 71730, 76512, 95640, 113760, 114768, 125926, 127520, 143460, 188889, 191280, 229536, 251852, 286920, 314815, 377778, 382560, 503704, 566667, 573840, 629630, 755556, 944445, 1007408, 1133334, 1147680, 1259260, 1511112, 1888890, 2014816, 2266668, 2518520, 2833335, 3022224, 3777780, 4533336, 5037040, 5666670, 6044448, 7555560, 9066672, 10074080, 11333340, 15111120, 18133344, 22666680, 30222240, 45333360, 90666720]

約数ペア:

[(1, 90666720), (2, 45333360), (3, 30222240), (4, 22666680), (5, 18133344), (6, 15111120), (8, 11333340), (9, 10074080), (10, 9066672), (12, 7555560), (15, 6044448), (16, 5666670), (18, 5037040), (20, 4533336), (24, 3777780), (30, 3022224), (32, 2833335), (36, 2518520), (40, 2266668), (45, 2014816), (48, 1888890), (60, 1511112), (72, 1259260), (79, 1147680), (80, 1133334), (90, 1007408), (96, 944445), (120, 755556), (144, 629630), (158, 573840), (160, 566667), (180, 503704), (237, 382560), (240, 377778), (288, 314815), (316, 286920), (360, 251852), (395, 229536), (474, 191280), (480, 188889), (632, 143460), (711, 127520), (720, 125926), (790, 114768), (797, 113760), (948, 95640), (1185, 76512), (1264, 71730), (1422, 63760), (1440, 62963), (1580, 57384), (1594, 56880), (1896, 47820), (2370, 38256), (2391, 37920), (2528, 35865), (2844, 31880), (3160, 28692), (3188, 28440), (3555, 25504), (3792, 23910), (3985, 22752), (4740, 19128), (4782, 18960), (5688, 15940), (6320, 14346), (6376, 14220), (7110, 12752), (7173, 12640), (7584, 11955), (7970, 11376), (9480, 9564)]