208565520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:178

約数の個数: 240

約数和(自身を含む): 716287488

約数和(自身を除く): 507721968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 97, 102, 120, 124, 136, 155, 170, 186, 194, 204, 240, 248, 255, 272, 289, 291, 310, 340, 372, 388, 408, 465, 485, 496, 510, 527, 578, 582, 620, 680, 744, 776, 816, 867, 930, 970, 1020, 1054, 1156, 1164, 1240, 1360, 1445, 1455, 1488, 1552, 1581, 1649, 1734, 1860, 1940, 2040, 2108, 2312, 2328, 2480, 2635, 2890, 2910, 3007, 3162, 3298, 3468, 3720, 3880, 4080, 4216, 4335, 4624, 4656, 4947, 5270, 5780, 5820, 6014, 6324, 6596, 6936, 7440, 7760, 7905, 8245, 8432, 8670, 8959, 9021, 9894, 10540, 11560, 11640, 12028, 12648, 13192, 13872, 15035, 15810, 16490, 17340, 17918, 18042, 19788, 21080, 23120, 23280, 24056, 24735, 25296, 26384, 26877, 28033, 30070, 31620, 32980, 34680, 35836, 36084, 39576, 42160, 44795, 45105, 48112, 49470, 51119, 53754, 56066, 60140, 63240, 65960, 69360, 71672, 72168, 79152, 84099, 89590, 90210, 98940, 102238, 107508, 112132, 120280, 126480, 131920, 134385, 140165, 143344, 144336, 153357, 168198, 179180, 180420, 197880, 204476, 215016, 224264, 240560, 255595, 268770, 280330, 306714, 336396, 358360, 360840, 395760, 408952, 420495, 430032, 448528, 511190, 537540, 560660, 613428, 672792, 716720, 721680, 766785, 817904, 840990, 869023, 1022380, 1075080, 1121320, 1226856, 1345584, 1533570, 1681980, 1738046, 2044760, 2150160, 2242640, 2453712, 2607069, 3067140, 3363960, 3476092, 4089520, 4345115, 5214138, 6134280, 6727920, 6952184, 8690230, 10428276, 12268560, 13035345, 13904368, 17380460, 20856552, 26070690, 34760920, 41713104, 52141380, 69521840, 104282760, 208565520]

約数ペア:

[(1, 208565520), (2, 104282760), (3, 69521840), (4, 52141380), (5, 41713104), (6, 34760920), (8, 26070690), (10, 20856552), (12, 17380460), (15, 13904368), (16, 13035345), (17, 12268560), (20, 10428276), (24, 8690230), (30, 6952184), (31, 6727920), (34, 6134280), (40, 5214138), (48, 4345115), (51, 4089520), (60, 3476092), (62, 3363960), (68, 3067140), (80, 2607069), (85, 2453712), (93, 2242640), (97, 2150160), (102, 2044760), (120, 1738046), (124, 1681980), (136, 1533570), (155, 1345584), (170, 1226856), (186, 1121320), (194, 1075080), (204, 1022380), (240, 869023), (248, 840990), (255, 817904), (272, 766785), (289, 721680), (291, 716720), (310, 672792), (340, 613428), (372, 560660), (388, 537540), (408, 511190), (465, 448528), (485, 430032), (496, 420495), (510, 408952), (527, 395760), (578, 360840), (582, 358360), (620, 336396), (680, 306714), (744, 280330), (776, 268770), (816, 255595), (867, 240560), (930, 224264), (970, 215016), (1020, 204476), (1054, 197880), (1156, 180420), (1164, 179180), (1240, 168198), (1360, 153357), (1445, 144336), (1455, 143344), (1488, 140165), (1552, 134385), (1581, 131920), (1649, 126480), (1734, 120280), (1860, 112132), (1940, 107508), (2040, 102238), (2108, 98940), (2312, 90210), (2328, 89590), (2480, 84099), (2635, 79152), (2890, 72168), (2910, 71672), (3007, 69360), (3162, 65960), (3298, 63240), (3468, 60140), (3720, 56066), (3880, 53754), (4080, 51119), (4216, 49470), (4335, 48112), (4624, 45105), (4656, 44795), (4947, 42160), (5270, 39576), (5780, 36084), (5820, 35836), (6014, 34680), (6324, 32980), (6596, 31620), (6936, 30070), (7440, 28033), (7760, 26877), (7905, 26384), (8245, 25296), (8432, 24735), (8670, 24056), (8959, 23280), (9021, 23120), (9894, 21080), (10540, 19788), (11560, 18042), (11640, 17918), (12028, 17340), (12648, 16490), (13192, 15810), (13872, 15035)]