211255080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:675

約数の個数: 128

約数和(自身を含む): 661478400

約数和(自身を除く): 450223320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 109, 120, 124, 155, 186, 218, 248, 310, 327, 372, 436, 465, 521, 545, 620, 654, 744, 872, 930, 1042, 1090, 1240, 1308, 1563, 1635, 1860, 2084, 2180, 2605, 2616, 3126, 3270, 3379, 3720, 4168, 4360, 5210, 6252, 6540, 6758, 7815, 10137, 10420, 12504, 13080, 13516, 15630, 16151, 16895, 20274, 20840, 27032, 31260, 32302, 33790, 40548, 48453, 50685, 56789, 62520, 64604, 67580, 80755, 81096, 96906, 101370, 113578, 129208, 135160, 161510, 170367, 193812, 202740, 227156, 242265, 283945, 323020, 340734, 387624, 405480, 454312, 484530, 567890, 646040, 681468, 851835, 969060, 1135780, 1362936, 1703670, 1760459, 1938120, 2271560, 3407340, 3520918, 5281377, 6814680, 7041836, 8802295, 10562754, 14083672, 17604590, 21125508, 26406885, 35209180, 42251016, 52813770, 70418360, 105627540, 211255080]

約数ペア:

[(1, 211255080), (2, 105627540), (3, 70418360), (4, 52813770), (5, 42251016), (6, 35209180), (8, 26406885), (10, 21125508), (12, 17604590), (15, 14083672), (20, 10562754), (24, 8802295), (30, 7041836), (31, 6814680), (40, 5281377), (60, 3520918), (62, 3407340), (93, 2271560), (109, 1938120), (120, 1760459), (124, 1703670), (155, 1362936), (186, 1135780), (218, 969060), (248, 851835), (310, 681468), (327, 646040), (372, 567890), (436, 484530), (465, 454312), (521, 405480), (545, 387624), (620, 340734), (654, 323020), (744, 283945), (872, 242265), (930, 227156), (1042, 202740), (1090, 193812), (1240, 170367), (1308, 161510), (1563, 135160), (1635, 129208), (1860, 113578), (2084, 101370), (2180, 96906), (2605, 81096), (2616, 80755), (3126, 67580), (3270, 64604), (3379, 62520), (3720, 56789), (4168, 50685), (4360, 48453), (5210, 40548), (6252, 33790), (6540, 32302), (6758, 31260), (7815, 27032), (10137, 20840), (10420, 20274), (12504, 16895), (13080, 16151), (13516, 15630)]