641283840

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{55667}}^1$

素因数の和:55694

約数の個数: 108

約数和(自身を含む): 2218815144

約数和(自身を除く): 1577531304

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, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 55667, 111334, 167001, 222668, 278335, 334002, 445336, 501003, 556670, 668004, 835005, 890672, 1002006, 1113340, 1336008, 1670010, 1781344, 2004012, 2226680, 2505015, 2672016, 3340020, 3562688, 4008024, 4453360, 5010030, 5344032, 6680040, 7125376, 8016048, 8906720, 10020060, 10688064, 13360080, 14250752, 16032096, 17813440, 20040120, 21376128, 26720160, 32064192, 35626880, 40080240, 42752256, 53440320, 64128384, 71253760, 80160480, 106880640, 128256768, 160320960, 213761280, 320641920, 641283840]

約数ペア:

[(1, 641283840), (2, 320641920), (3, 213761280), (4, 160320960), (5, 128256768), (6, 106880640), (8, 80160480), (9, 71253760), (10, 64128384), (12, 53440320), (15, 42752256), (16, 40080240), (18, 35626880), (20, 32064192), (24, 26720160), (30, 21376128), (32, 20040120), (36, 17813440), (40, 16032096), (45, 14250752), (48, 13360080), (60, 10688064), (64, 10020060), (72, 8906720), (80, 8016048), (90, 7125376), (96, 6680040), (120, 5344032), (128, 5010030), (144, 4453360), (160, 4008024), (180, 3562688), (192, 3340020), (240, 2672016), (256, 2505015), (288, 2226680), (320, 2004012), (360, 1781344), (384, 1670010), (480, 1336008), (576, 1113340), (640, 1002006), (720, 890672), (768, 835005), (960, 668004), (1152, 556670), (1280, 501003), (1440, 445336), (1920, 334002), (2304, 278335), (2880, 222668), (3840, 167001), (5760, 111334), (11520, 55667)]