638753040

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{98573}}^1$

素因数の和:98598

約数の個数: 100

約数和(自身を含む): 2218506444

約数和(自身を除く): 1579753404

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 98573, 197146, 295719, 394292, 492865, 591438, 788584, 887157, 985730, 1182876, 1478595, 1577168, 1774314, 1971460, 2365752, 2661471, 2957190, 3548628, 3942920, 4435785, 4731504, 5322942, 5914380, 7097256, 7885840, 7984413, 8871570, 10645884, 11828760, 13307355, 14194512, 15968826, 17743140, 21291768, 23657520, 26614710, 31937652, 35486280, 39922065, 42583536, 53229420, 63875304, 70972560, 79844130, 106458840, 127750608, 159688260, 212917680, 319376520, 638753040]

約数ペア:

[(1, 638753040), (2, 319376520), (3, 212917680), (4, 159688260), (5, 127750608), (6, 106458840), (8, 79844130), (9, 70972560), (10, 63875304), (12, 53229420), (15, 42583536), (16, 39922065), (18, 35486280), (20, 31937652), (24, 26614710), (27, 23657520), (30, 21291768), (36, 17743140), (40, 15968826), (45, 14194512), (48, 13307355), (54, 11828760), (60, 10645884), (72, 8871570), (80, 7984413), (81, 7885840), (90, 7097256), (108, 5914380), (120, 5322942), (135, 4731504), (144, 4435785), (162, 3942920), (180, 3548628), (216, 2957190), (240, 2661471), (270, 2365752), (324, 1971460), (360, 1774314), (405, 1577168), (432, 1478595), (540, 1182876), (648, 985730), (720, 887157), (810, 788584), (1080, 591438), (1296, 492865), (1620, 394292), (2160, 295719), (3240, 197146), (6480, 98573)]