128586240

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{5581}}^1$

素因数の和:5610

約数の個数: 120

約数和(自身を含む): 445410108

約数和(自身を除く): 316823868

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, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5581, 5760, 7680, 11162, 11520, 16743, 22324, 23040, 27905, 33486, 44648, 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, 6429312, 7143680, 8036640, 8572416, 10715520, 12858624, 14287360, 16073280, 21431040, 25717248, 32146560, 42862080, 64293120, 128586240]

約数ペア:

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