257172480

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{5581}}^1$

素因数の和:5612

約数の個数: 132

約数和(自身を含む): 891255612

約数和(自身を除く): 634083132

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5581, 5760, 7680, 9216, 11162, 11520, 15360, 16743, 22324, 23040, 27905, 33486, 44648, 46080, 50229, 55810, 66972, 83715, 89296, 100458, 111620, 133944, 167430, 178592, 200916, 223240, 251145, 267888, 334860, 357184, 401832, 446480, 502290, 535776, 669720, 714368, 803664, 892960, 1004580, 1071552, 1339440, 1428736, 1607328, 1785920, 2009160, 2143104, 2678880, 2857472, 3214656, 3571840, 4018320, 4286208, 5357760, 5714944, 6429312, 7143680, 8036640, 8572416, 10715520, 12858624, 14287360, 16073280, 17144832, 21431040, 25717248, 28574720, 32146560, 42862080, 51434496, 64293120, 85724160, 128586240, 257172480]

約数ペア:

[(1, 257172480), (2, 128586240), (3, 85724160), (4, 64293120), (5, 51434496), (6, 42862080), (8, 32146560), (9, 28574720), (10, 25717248), (12, 21431040), (15, 17144832), (16, 16073280), (18, 14287360), (20, 12858624), (24, 10715520), (30, 8572416), (32, 8036640), (36, 7143680), (40, 6429312), (45, 5714944), (48, 5357760), (60, 4286208), (64, 4018320), (72, 3571840), (80, 3214656), (90, 2857472), (96, 2678880), (120, 2143104), (128, 2009160), (144, 1785920), (160, 1607328), (180, 1428736), (192, 1339440), (240, 1071552), (256, 1004580), (288, 892960), (320, 803664), (360, 714368), (384, 669720), (480, 535776), (512, 502290), (576, 446480), (640, 401832), (720, 357184), (768, 334860), (960, 267888), (1024, 251145), (1152, 223240), (1280, 200916), (1440, 178592), (1536, 167430), (1920, 133944), (2304, 111620), (2560, 100458), (2880, 89296), (3072, 83715), (3840, 66972), (4608, 55810), (5120, 50229), (5581, 46080), (5760, 44648), (7680, 33486), (9216, 27905), (11162, 23040), (11520, 22324), (15360, 16743)]