18990363840

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{46327}}^1$

素因数の和:46415

約数の個数: 224

約数和(自身を含む): 70039041024

約数和(自身を除く): 51048677184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 61, 64, 70, 80, 84, 96, 105, 112, 120, 122, 140, 160, 168, 183, 192, 210, 224, 240, 244, 280, 305, 320, 336, 366, 420, 427, 448, 480, 488, 560, 610, 672, 732, 840, 854, 915, 960, 976, 1120, 1220, 1281, 1344, 1464, 1680, 1708, 1830, 1952, 2135, 2240, 2440, 2562, 2928, 3360, 3416, 3660, 3904, 4270, 4880, 5124, 5856, 6405, 6720, 6832, 7320, 8540, 9760, 10248, 11712, 12810, 13664, 14640, 17080, 19520, 20496, 25620, 27328, 29280, 34160, 40992, 46327, 51240, 58560, 68320, 81984, 92654, 102480, 136640, 138981, 185308, 204960, 231635, 277962, 324289, 370616, 409920, 463270, 555924, 648578, 694905, 741232, 926540, 972867, 1111848, 1297156, 1389810, 1482464, 1621445, 1853080, 1945734, 2223696, 2594312, 2779620, 2825947, 2964928, 3242890, 3706160, 3891468, 4447392, 4864335, 5188624, 5559240, 5651894, 6485780, 7412320, 7782936, 8477841, 8894784, 9728670, 10377248, 11118480, 11303788, 12971560, 14129735, 14824640, 15565872, 16955682, 19457340, 19781629, 20754496, 22236960, 22607576, 25943120, 28259470, 31131744, 33911364, 38914680, 39563258, 42389205, 44473920, 45215152, 51886240, 56518940, 59344887, 62263488, 67822728, 77829360, 79126516, 84778410, 90430304, 98908145, 103772480, 113037880, 118689774, 135645456, 155658720, 158253032, 169556820, 180860608, 197816290, 226075760, 237379548, 271290912, 296724435, 311317440, 316506064, 339113640, 395632580, 452151520, 474759096, 542581824, 593448870, 633012128, 678227280, 791265160, 904303040, 949518192, 1186897740, 1266024256, 1356454560, 1582530320, 1899036384, 2373795480, 2712909120, 3165060640, 3798072768, 4747590960, 6330121280, 9495181920, 18990363840]

約数ペア:

[(1, 18990363840), (2, 9495181920), (3, 6330121280), (4, 4747590960), (5, 3798072768), (6, 3165060640), (7, 2712909120), (8, 2373795480), (10, 1899036384), (12, 1582530320), (14, 1356454560), (15, 1266024256), (16, 1186897740), (20, 949518192), (21, 904303040), (24, 791265160), (28, 678227280), (30, 633012128), (32, 593448870), (35, 542581824), (40, 474759096), (42, 452151520), (48, 395632580), (56, 339113640), (60, 316506064), (61, 311317440), (64, 296724435), (70, 271290912), (80, 237379548), (84, 226075760), (96, 197816290), (105, 180860608), (112, 169556820), (120, 158253032), (122, 155658720), (140, 135645456), (160, 118689774), (168, 113037880), (183, 103772480), (192, 98908145), (210, 90430304), (224, 84778410), (240, 79126516), (244, 77829360), (280, 67822728), (305, 62263488), (320, 59344887), (336, 56518940), (366, 51886240), (420, 45215152), (427, 44473920), (448, 42389205), (480, 39563258), (488, 38914680), (560, 33911364), (610, 31131744), (672, 28259470), (732, 25943120), (840, 22607576), (854, 22236960), (915, 20754496), (960, 19781629), (976, 19457340), (1120, 16955682), (1220, 15565872), (1281, 14824640), (1344, 14129735), (1464, 12971560), (1680, 11303788), (1708, 11118480), (1830, 10377248), (1952, 9728670), (2135, 8894784), (2240, 8477841), (2440, 7782936), (2562, 7412320), (2928, 6485780), (3360, 5651894), (3416, 5559240), (3660, 5188624), (3904, 4864335), (4270, 4447392), (4880, 3891468), (5124, 3706160), (5856, 3242890), (6405, 2964928), (6720, 2825947), (6832, 2779620), (7320, 2594312), (8540, 2223696), (9760, 1945734), (10248, 1853080), (11712, 1621445), (12810, 1482464), (13664, 1389810), (14640, 1297156), (17080, 1111848), (19520, 972867), (20496, 926540), (25620, 741232), (27328, 694905), (29280, 648578), (34160, 555924), (40992, 463270), (46327, 409920), (51240, 370616), (58560, 324289), (68320, 277962), (81984, 231635), (92654, 204960), (102480, 185308), (136640, 138981)]