18855221760

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26399}}^1$

素因数の和:26459

約数の個数: 240

約数和(自身を含む): 67409971200

約数和(自身を除く): 48554749440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 512, 558, 576, 620, 640, 720, 744, 768, 930, 960, 992, 1116, 1152, 1240, 1280, 1395, 1440, 1488, 1536, 1860, 1920, 1984, 2232, 2304, 2480, 2560, 2790, 2880, 2976, 3720, 3840, 3968, 4464, 4608, 4960, 5580, 5760, 5952, 7440, 7680, 7936, 8928, 9920, 11160, 11520, 11904, 14880, 15872, 17856, 19840, 22320, 23040, 23808, 26399, 29760, 35712, 39680, 44640, 47616, 52798, 59520, 71424, 79197, 79360, 89280, 105596, 119040, 131995, 142848, 158394, 178560, 211192, 237591, 238080, 263990, 316788, 357120, 395985, 422384, 475182, 527980, 633576, 714240, 791970, 818369, 844768, 950364, 1055960, 1187955, 1267152, 1583940, 1636738, 1689536, 1900728, 2111920, 2375910, 2455107, 2534304, 3167880, 3273476, 3379072, 3801456, 4091845, 4223840, 4751820, 4910214, 5068608, 6335760, 6546952, 6758144, 7365321, 7602912, 8183690, 8447680, 9503640, 9820428, 10137216, 12275535, 12671520, 13093904, 13516288, 14730642, 15205824, 16367380, 16895360, 19007280, 19640856, 20274432, 24551070, 25343040, 26187808, 29461284, 30411648, 32734760, 33790720, 36826605, 38014560, 39281712, 40548864, 49102140, 50686080, 52375616, 58922568, 60823296, 65469520, 67581440, 73653210, 76029120, 78563424, 98204280, 101372160, 104751232, 117845136, 121646592, 130939040, 147306420, 152058240, 157126848, 196408560, 202744320, 209502464, 235690272, 261878080, 294612840, 304116480, 314253696, 392817120, 419004928, 471380544, 523756160, 589225680, 608232960, 628507392, 785634240, 942761088, 1047512320, 1178451360, 1257014784, 1571268480, 1885522176, 2095024640, 2356902720, 3142536960, 3771044352, 4713805440, 6285073920, 9427610880, 18855221760]

約数ペア:

[(1, 18855221760), (2, 9427610880), (3, 6285073920), (4, 4713805440), (5, 3771044352), (6, 3142536960), (8, 2356902720), (9, 2095024640), (10, 1885522176), (12, 1571268480), (15, 1257014784), (16, 1178451360), (18, 1047512320), (20, 942761088), (24, 785634240), (30, 628507392), (31, 608232960), (32, 589225680), (36, 523756160), (40, 471380544), (45, 419004928), (48, 392817120), (60, 314253696), (62, 304116480), (64, 294612840), (72, 261878080), (80, 235690272), (90, 209502464), (93, 202744320), (96, 196408560), (120, 157126848), (124, 152058240), (128, 147306420), (144, 130939040), (155, 121646592), (160, 117845136), (180, 104751232), (186, 101372160), (192, 98204280), (240, 78563424), (248, 76029120), (256, 73653210), (279, 67581440), (288, 65469520), (310, 60823296), (320, 58922568), (360, 52375616), (372, 50686080), (384, 49102140), (465, 40548864), (480, 39281712), (496, 38014560), (512, 36826605), (558, 33790720), (576, 32734760), (620, 30411648), (640, 29461284), (720, 26187808), (744, 25343040), (768, 24551070), (930, 20274432), (960, 19640856), (992, 19007280), (1116, 16895360), (1152, 16367380), (1240, 15205824), (1280, 14730642), (1395, 13516288), (1440, 13093904), (1488, 12671520), (1536, 12275535), (1860, 10137216), (1920, 9820428), (1984, 9503640), (2232, 8447680), (2304, 8183690), (2480, 7602912), (2560, 7365321), (2790, 6758144), (2880, 6546952), (2976, 6335760), (3720, 5068608), (3840, 4910214), (3968, 4751820), (4464, 4223840), (4608, 4091845), (4960, 3801456), (5580, 3379072), (5760, 3273476), (5952, 3167880), (7440, 2534304), (7680, 2455107), (7936, 2375910), (8928, 2111920), (9920, 1900728), (11160, 1689536), (11520, 1636738), (11904, 1583940), (14880, 1267152), (15872, 1187955), (17856, 1055960), (19840, 950364), (22320, 844768), (23040, 818369), (23808, 791970), (26399, 714240), (29760, 633576), (35712, 527980), (39680, 475182), (44640, 422384), (47616, 395985), (52798, 357120), (59520, 316788), (71424, 263990), (79197, 238080), (79360, 237591), (89280, 211192), (105596, 178560), (119040, 158394), (131995, 142848)]