640593137280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1187339}}^1$

素因数の和:1187642

約数の個数: 128

約数和(自身を含む): 2049158865600

約数和(自身を除く): 1408565728320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 281, 320, 384, 480, 562, 640, 843, 960, 1124, 1405, 1686, 1920, 2248, 2810, 3372, 4215, 4496, 5620, 6744, 8430, 8992, 11240, 13488, 16860, 17984, 22480, 26976, 33720, 35968, 44960, 53952, 67440, 89920, 107904, 134880, 179840, 269760, 539520, 1187339, 2374678, 3562017, 4749356, 5936695, 7124034, 9498712, 11873390, 14248068, 17810085, 18997424, 23746780, 28496136, 35620170, 37994848, 47493560, 56992272, 71240340, 75989696, 94987120, 113984544, 142480680, 151979392, 189974240, 227969088, 284961360, 333642259, 379948480, 455938176, 569922720, 667284518, 759896960, 1000926777, 1139845440, 1334569036, 1668211295, 2001853554, 2279690880, 2669138072, 3336422590, 4003707108, 5004633885, 5338276144, 6672845180, 8007414216, 10009267770, 10676552288, 13345690360, 16014828432, 20018535540, 21353104576, 26691380720, 32029656864, 40037071080, 42706209152, 53382761440, 64059313728, 80074142160, 106765522880, 128118627456, 160148284320, 213531045760, 320296568640, 640593137280]

約数ペア:

[(1, 640593137280), (2, 320296568640), (3, 213531045760), (4, 160148284320), (5, 128118627456), (6, 106765522880), (8, 80074142160), (10, 64059313728), (12, 53382761440), (15, 42706209152), (16, 40037071080), (20, 32029656864), (24, 26691380720), (30, 21353104576), (32, 20018535540), (40, 16014828432), (48, 13345690360), (60, 10676552288), (64, 10009267770), (80, 8007414216), (96, 6672845180), (120, 5338276144), (128, 5004633885), (160, 4003707108), (192, 3336422590), (240, 2669138072), (281, 2279690880), (320, 2001853554), (384, 1668211295), (480, 1334569036), (562, 1139845440), (640, 1000926777), (843, 759896960), (960, 667284518), (1124, 569922720), (1405, 455938176), (1686, 379948480), (1920, 333642259), (2248, 284961360), (2810, 227969088), (3372, 189974240), (4215, 151979392), (4496, 142480680), (5620, 113984544), (6744, 94987120), (8430, 75989696), (8992, 71240340), (11240, 56992272), (13488, 47493560), (16860, 37994848), (17984, 35620170), (22480, 28496136), (26976, 23746780), (33720, 18997424), (35968, 17810085), (44960, 14248068), (53952, 11873390), (67440, 9498712), (89920, 7124034), (107904, 5936695), (134880, 4749356), (179840, 3562017), (269760, 2374678), (539520, 1187339)]