1819118520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{88651}}^1$

素因数の和:88690

約数の個数: 128

約数和(自身を含む): 6382944000

約数和(自身を除く): 4563825480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 88651, 177302, 265953, 354604, 443255, 531906, 709208, 797859, 886510, 1063812, 1329765, 1595718, 1684369, 1773020, 2127624, 2393577, 2659530, 3191436, 3368738, 3546040, 3989295, 4787154, 5053107, 5319060, 6382872, 6737476, 7978590, 8421845, 9574308, 10106214, 10638120, 11967885, 13474952, 15159321, 15957180, 16843690, 19148616, 20212428, 23935770, 25265535, 30318642, 31914360, 33687380, 40424856, 45477963, 47871540, 50531070, 60637284, 67374760, 75796605, 90955926, 95743080, 101062140, 121274568, 151593210, 181911852, 202124280, 227389815, 303186420, 363823704, 454779630, 606372840, 909559260, 1819118520]

約数ペア:

[(1, 1819118520), (2, 909559260), (3, 606372840), (4, 454779630), (5, 363823704), (6, 303186420), (8, 227389815), (9, 202124280), (10, 181911852), (12, 151593210), (15, 121274568), (18, 101062140), (19, 95743080), (20, 90955926), (24, 75796605), (27, 67374760), (30, 60637284), (36, 50531070), (38, 47871540), (40, 45477963), (45, 40424856), (54, 33687380), (57, 31914360), (60, 30318642), (72, 25265535), (76, 23935770), (90, 20212428), (95, 19148616), (108, 16843690), (114, 15957180), (120, 15159321), (135, 13474952), (152, 11967885), (171, 10638120), (180, 10106214), (190, 9574308), (216, 8421845), (228, 7978590), (270, 6737476), (285, 6382872), (342, 5319060), (360, 5053107), (380, 4787154), (456, 3989295), (513, 3546040), (540, 3368738), (570, 3191436), (684, 2659530), (760, 2393577), (855, 2127624), (1026, 1773020), (1080, 1684369), (1140, 1595718), (1368, 1329765), (1710, 1063812), (2052, 886510), (2280, 797859), (2565, 709208), (3420, 531906), (4104, 443255), (5130, 354604), (6840, 265953), (10260, 177302), (20520, 88651)]