2021638920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{9151}}^1$

素因数の和:9435

約数の個数: 128

約数和(自身を含む): 6958448640

約数和(自身を除く): 4936809720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 263, 280, 420, 526, 789, 840, 1052, 1315, 1578, 1841, 2104, 2630, 3156, 3682, 3945, 5260, 5523, 6312, 7364, 7890, 9151, 9205, 10520, 11046, 14728, 15780, 18302, 18410, 22092, 27453, 27615, 31560, 36604, 36820, 44184, 45755, 54906, 55230, 64057, 73208, 73640, 91510, 109812, 110460, 128114, 137265, 183020, 192171, 219624, 220920, 256228, 274530, 320285, 366040, 384342, 512456, 549060, 640570, 768684, 960855, 1098120, 1281140, 1537368, 1921710, 2406713, 2562280, 3843420, 4813426, 7220139, 7686840, 9626852, 12033565, 14440278, 16846991, 19253704, 24067130, 28880556, 33693982, 36100695, 48134260, 50540973, 57761112, 67387964, 72201390, 84234955, 96268520, 101081946, 134775928, 144402780, 168469910, 202163892, 252704865, 288805560, 336939820, 404327784, 505409730, 673879640, 1010819460, 2021638920]

約数ペア:

[(1, 2021638920), (2, 1010819460), (3, 673879640), (4, 505409730), (5, 404327784), (6, 336939820), (7, 288805560), (8, 252704865), (10, 202163892), (12, 168469910), (14, 144402780), (15, 134775928), (20, 101081946), (21, 96268520), (24, 84234955), (28, 72201390), (30, 67387964), (35, 57761112), (40, 50540973), (42, 48134260), (56, 36100695), (60, 33693982), (70, 28880556), (84, 24067130), (105, 19253704), (120, 16846991), (140, 14440278), (168, 12033565), (210, 9626852), (263, 7686840), (280, 7220139), (420, 4813426), (526, 3843420), (789, 2562280), (840, 2406713), (1052, 1921710), (1315, 1537368), (1578, 1281140), (1841, 1098120), (2104, 960855), (2630, 768684), (3156, 640570), (3682, 549060), (3945, 512456), (5260, 384342), (5523, 366040), (6312, 320285), (7364, 274530), (7890, 256228), (9151, 220920), (9205, 219624), (10520, 192171), (11046, 183020), (14728, 137265), (15780, 128114), (18302, 110460), (18410, 109812), (22092, 91510), (27453, 73640), (27615, 73208), (31560, 64057), (36604, 55230), (36820, 54906), (44184, 45755)]