65821440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:366

約数の個数: 144

約数和(自身を含む): 214423776

約数和(自身を除く): 148602336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 240, 244, 256, 281, 305, 320, 366, 384, 480, 488, 562, 610, 640, 732, 768, 843, 915, 960, 976, 1124, 1220, 1280, 1405, 1464, 1686, 1830, 1920, 1952, 2248, 2440, 2810, 2928, 3372, 3660, 3840, 3904, 4215, 4496, 4880, 5620, 5856, 6744, 7320, 7808, 8430, 8992, 9760, 11240, 11712, 13488, 14640, 15616, 16860, 17141, 17984, 19520, 22480, 23424, 26976, 29280, 33720, 34282, 35968, 39040, 44960, 46848, 51423, 53952, 58560, 67440, 68564, 71936, 78080, 85705, 89920, 102846, 107904, 117120, 134880, 137128, 171410, 179840, 205692, 215808, 234240, 257115, 269760, 274256, 342820, 359680, 411384, 514230, 539520, 548512, 685640, 822768, 1028460, 1079040, 1097024, 1371280, 1645536, 2056920, 2194048, 2742560, 3291072, 4113840, 4388096, 5485120, 6582144, 8227680, 10970240, 13164288, 16455360, 21940480, 32910720, 65821440]

約数ペア:

[(1, 65821440), (2, 32910720), (3, 21940480), (4, 16455360), (5, 13164288), (6, 10970240), (8, 8227680), (10, 6582144), (12, 5485120), (15, 4388096), (16, 4113840), (20, 3291072), (24, 2742560), (30, 2194048), (32, 2056920), (40, 1645536), (48, 1371280), (60, 1097024), (61, 1079040), (64, 1028460), (80, 822768), (96, 685640), (120, 548512), (122, 539520), (128, 514230), (160, 411384), (183, 359680), (192, 342820), (240, 274256), (244, 269760), (256, 257115), (281, 234240), (305, 215808), (320, 205692), (366, 179840), (384, 171410), (480, 137128), (488, 134880), (562, 117120), (610, 107904), (640, 102846), (732, 89920), (768, 85705), (843, 78080), (915, 71936), (960, 68564), (976, 67440), (1124, 58560), (1220, 53952), (1280, 51423), (1405, 46848), (1464, 44960), (1686, 39040), (1830, 35968), (1920, 34282), (1952, 33720), (2248, 29280), (2440, 26976), (2810, 23424), (2928, 22480), (3372, 19520), (3660, 17984), (3840, 17141), (3904, 16860), (4215, 15616), (4496, 14640), (4880, 13488), (5620, 11712), (5856, 11240), (6744, 9760), (7320, 8992), (7808, 8430)]