18739566720

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{464771}}^1$

素因数の和:464803

約数の個数: 192

約数和(自身を含む): 73954520640

約数和(自身を除く): 55214953920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 40320, 464771, 929542, 1394313, 1859084, 2323855, 2788626, 3253397, 3718168, 4182939, 4647710, 5577252, 6506794, 6971565, 7436336, 8365878, 9295420, 9760191, 11154504, 13013588, 13943130, 14872672, 16266985, 16731756, 18590840, 19520382, 20914695, 22309008, 26027176, 27886260, 29280573, 29745344, 32533970, 33463512, 37181680, 39040764, 41829390, 44618016, 48800955, 52054352, 55772520, 58561146, 59490688, 65067940, 66927024, 74363360, 78081528, 83658780, 89236032, 97601910, 104108704, 111545040, 117122292, 130135880, 133854048, 146402865, 148726720, 156163056, 167317560, 178472064, 195203820, 208217408, 223090080, 234244584, 260271760, 267708096, 292805730, 297453440, 312326112, 334635120, 390407640, 416434816, 446180160, 468489168, 520543520, 535416192, 585611460, 624652224, 669270240, 780815280, 892360320, 936978336, 1041087040, 1171222920, 1249304448, 1338540480, 1561630560, 1873956672, 2082174080, 2342445840, 2677080960, 3123261120, 3747913344, 4684891680, 6246522240, 9369783360, 18739566720]

約数ペア:

[(1, 18739566720), (2, 9369783360), (3, 6246522240), (4, 4684891680), (5, 3747913344), (6, 3123261120), (7, 2677080960), (8, 2342445840), (9, 2082174080), (10, 1873956672), (12, 1561630560), (14, 1338540480), (15, 1249304448), (16, 1171222920), (18, 1041087040), (20, 936978336), (21, 892360320), (24, 780815280), (28, 669270240), (30, 624652224), (32, 585611460), (35, 535416192), (36, 520543520), (40, 468489168), (42, 446180160), (45, 416434816), (48, 390407640), (56, 334635120), (60, 312326112), (63, 297453440), (64, 292805730), (70, 267708096), (72, 260271760), (80, 234244584), (84, 223090080), (90, 208217408), (96, 195203820), (105, 178472064), (112, 167317560), (120, 156163056), (126, 148726720), (128, 146402865), (140, 133854048), (144, 130135880), (160, 117122292), (168, 111545040), (180, 104108704), (192, 97601910), (210, 89236032), (224, 83658780), (240, 78081528), (252, 74363360), (280, 66927024), (288, 65067940), (315, 59490688), (320, 58561146), (336, 55772520), (360, 52054352), (384, 48800955), (420, 44618016), (448, 41829390), (480, 39040764), (504, 37181680), (560, 33463512), (576, 32533970), (630, 29745344), (640, 29280573), (672, 27886260), (720, 26027176), (840, 22309008), (896, 20914695), (960, 19520382), (1008, 18590840), (1120, 16731756), (1152, 16266985), (1260, 14872672), (1344, 13943130), (1440, 13013588), (1680, 11154504), (1920, 9760191), (2016, 9295420), (2240, 8365878), (2520, 7436336), (2688, 6971565), (2880, 6506794), (3360, 5577252), (4032, 4647710), (4480, 4182939), (5040, 3718168), (5760, 3253397), (6720, 2788626), (8064, 2323855), (10080, 1859084), (13440, 1394313), (20160, 929542), (40320, 464771)]