989800320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13933}}^1$

素因数の和:13992

約数の個数: 128

約数和(自身を含む): 3240491040

約数和(自身を除く): 2250690720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 296, 320, 370, 384, 444, 480, 555, 592, 640, 740, 888, 960, 1110, 1184, 1480, 1776, 1920, 2220, 2368, 2960, 3552, 4440, 4736, 5920, 7104, 8880, 11840, 13933, 14208, 17760, 23680, 27866, 35520, 41799, 55732, 69665, 71040, 83598, 111464, 139330, 167196, 208995, 222928, 278660, 334392, 417990, 445856, 515521, 557320, 668784, 835980, 891712, 1031042, 1114640, 1337568, 1546563, 1671960, 1783424, 2062084, 2229280, 2577605, 2675136, 3093126, 3343920, 4124168, 4458560, 5155210, 5350272, 6186252, 6687840, 7732815, 8248336, 8917120, 10310420, 12372504, 13375680, 15465630, 16496672, 20620840, 24745008, 26751360, 30931260, 32993344, 41241680, 49490016, 61862520, 65986688, 82483360, 98980032, 123725040, 164966720, 197960064, 247450080, 329933440, 494900160, 989800320]

約数ペア:

[(1, 989800320), (2, 494900160), (3, 329933440), (4, 247450080), (5, 197960064), (6, 164966720), (8, 123725040), (10, 98980032), (12, 82483360), (15, 65986688), (16, 61862520), (20, 49490016), (24, 41241680), (30, 32993344), (32, 30931260), (37, 26751360), (40, 24745008), (48, 20620840), (60, 16496672), (64, 15465630), (74, 13375680), (80, 12372504), (96, 10310420), (111, 8917120), (120, 8248336), (128, 7732815), (148, 6687840), (160, 6186252), (185, 5350272), (192, 5155210), (222, 4458560), (240, 4124168), (296, 3343920), (320, 3093126), (370, 2675136), (384, 2577605), (444, 2229280), (480, 2062084), (555, 1783424), (592, 1671960), (640, 1546563), (740, 1337568), (888, 1114640), (960, 1031042), (1110, 891712), (1184, 835980), (1480, 668784), (1776, 557320), (1920, 515521), (2220, 445856), (2368, 417990), (2960, 334392), (3552, 278660), (4440, 222928), (4736, 208995), (5920, 167196), (7104, 139330), (8880, 111464), (11840, 83598), (13933, 71040), (14208, 69665), (17760, 55732), (23680, 41799), (27866, 35520)]