1217696640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:401

約数の個数: 256

約数和(自身を含む): 4066079040

約数和(自身を除く): 2848382400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 61, 64, 74, 80, 96, 111, 120, 122, 128, 148, 160, 183, 185, 192, 222, 240, 244, 281, 296, 305, 320, 366, 370, 384, 444, 480, 488, 555, 562, 592, 610, 640, 732, 740, 843, 888, 915, 960, 976, 1110, 1124, 1184, 1220, 1405, 1464, 1480, 1686, 1776, 1830, 1920, 1952, 2220, 2248, 2257, 2368, 2440, 2810, 2928, 2960, 3372, 3552, 3660, 3904, 4215, 4440, 4496, 4514, 4736, 4880, 5620, 5856, 5920, 6744, 6771, 7104, 7320, 7808, 8430, 8880, 8992, 9028, 9760, 10397, 11240, 11285, 11712, 11840, 13488, 13542, 14208, 14640, 16860, 17141, 17760, 17984, 18056, 19520, 20794, 22480, 22570, 23424, 23680, 26976, 27084, 29280, 31191, 33720, 33855, 34282, 35520, 35968, 36112, 39040, 41588, 44960, 45140, 51423, 51985, 53952, 54168, 58560, 62382, 67440, 67710, 68564, 71040, 72224, 83176, 85705, 89920, 90280, 102846, 103970, 107904, 108336, 117120, 124764, 134880, 135420, 137128, 144448, 155955, 166352, 171410, 179840, 180560, 205692, 207940, 216672, 249528, 257115, 269760, 270840, 274256, 288896, 311910, 332704, 342820, 361120, 411384, 415880, 433344, 499056, 514230, 539520, 541680, 548512, 623820, 634217, 665408, 685640, 722240, 822768, 831760, 866688, 998112, 1028460, 1083360, 1097024, 1247640, 1268434, 1330816, 1371280, 1444480, 1645536, 1663520, 1902651, 1996224, 2056920, 2166720, 2194048, 2495280, 2536868, 2742560, 3171085, 3291072, 3327040, 3805302, 3992448, 4113840, 4333440, 4990560, 5073736, 5485120, 6342170, 6582144, 6654080, 7610604, 8227680, 9513255, 9981120, 10147472, 10970240, 12684340, 15221208, 16455360, 19026510, 19962240, 20294944, 25368680, 30442416, 32910720, 38053020, 40589888, 50737360, 60884832, 76106040, 81179776, 101474720, 121769664, 152212080, 202949440, 243539328, 304424160, 405898880, 608848320, 1217696640]

約数ペア:

[(1, 1217696640), (2, 608848320), (3, 405898880), (4, 304424160), (5, 243539328), (6, 202949440), (8, 152212080), (10, 121769664), (12, 101474720), (15, 81179776), (16, 76106040), (20, 60884832), (24, 50737360), (30, 40589888), (32, 38053020), (37, 32910720), (40, 30442416), (48, 25368680), (60, 20294944), (61, 19962240), (64, 19026510), (74, 16455360), (80, 15221208), (96, 12684340), (111, 10970240), (120, 10147472), (122, 9981120), (128, 9513255), (148, 8227680), (160, 7610604), (183, 6654080), (185, 6582144), (192, 6342170), (222, 5485120), (240, 5073736), (244, 4990560), (281, 4333440), (296, 4113840), (305, 3992448), (320, 3805302), (366, 3327040), (370, 3291072), (384, 3171085), (444, 2742560), (480, 2536868), (488, 2495280), (555, 2194048), (562, 2166720), (592, 2056920), (610, 1996224), (640, 1902651), (732, 1663520), (740, 1645536), (843, 1444480), (888, 1371280), (915, 1330816), (960, 1268434), (976, 1247640), (1110, 1097024), (1124, 1083360), (1184, 1028460), (1220, 998112), (1405, 866688), (1464, 831760), (1480, 822768), (1686, 722240), (1776, 685640), (1830, 665408), (1920, 634217), (1952, 623820), (2220, 548512), (2248, 541680), (2257, 539520), (2368, 514230), (2440, 499056), (2810, 433344), (2928, 415880), (2960, 411384), (3372, 361120), (3552, 342820), (3660, 332704), (3904, 311910), (4215, 288896), (4440, 274256), (4496, 270840), (4514, 269760), (4736, 257115), (4880, 249528), (5620, 216672), (5856, 207940), (5920, 205692), (6744, 180560), (6771, 179840), (7104, 171410), (7320, 166352), (7808, 155955), (8430, 144448), (8880, 137128), (8992, 135420), (9028, 134880), (9760, 124764), (10397, 117120), (11240, 108336), (11285, 107904), (11712, 103970), (11840, 102846), (13488, 90280), (13542, 89920), (14208, 85705), (14640, 83176), (16860, 72224), (17141, 71040), (17760, 68564), (17984, 67710), (18056, 67440), (19520, 62382), (20794, 58560), (22480, 54168), (22570, 53952), (23424, 51985), (23680, 51423), (26976, 45140), (27084, 44960), (29280, 41588), (31191, 39040), (33720, 36112), (33855, 35968), (34282, 35520)]