128162220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 388912608

約数和(自身を除く): 260750388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 61, 76, 95, 97, 114, 122, 183, 190, 194, 228, 244, 285, 291, 305, 361, 366, 380, 388, 485, 570, 582, 610, 722, 732, 915, 970, 1083, 1140, 1159, 1164, 1220, 1444, 1455, 1805, 1830, 1843, 1940, 2166, 2318, 2910, 3477, 3610, 3660, 3686, 4332, 4636, 5415, 5529, 5795, 5820, 5917, 6954, 7220, 7372, 9215, 10830, 11058, 11590, 11834, 13908, 17385, 17751, 18430, 21660, 22021, 22116, 23180, 23668, 27645, 29585, 34770, 35017, 35502, 36860, 44042, 55290, 59170, 66063, 69540, 70034, 71004, 88084, 88755, 105051, 110105, 110580, 112423, 118340, 132126, 140068, 175085, 177510, 210102, 220210, 224846, 264252, 330315, 337269, 350170, 355020, 420204, 440420, 449692, 525255, 562115, 660630, 674538, 700340, 1050510, 1124230, 1321260, 1349076, 1686345, 2101020, 2136037, 2248460, 3372690, 4272074, 6408111, 6745380, 8544148, 10680185, 12816222, 21360370, 25632444, 32040555, 42720740, 64081110, 128162220]

約数ペア:

[(1, 128162220), (2, 64081110), (3, 42720740), (4, 32040555), (5, 25632444), (6, 21360370), (10, 12816222), (12, 10680185), (15, 8544148), (19, 6745380), (20, 6408111), (30, 4272074), (38, 3372690), (57, 2248460), (60, 2136037), (61, 2101020), (76, 1686345), (95, 1349076), (97, 1321260), (114, 1124230), (122, 1050510), (183, 700340), (190, 674538), (194, 660630), (228, 562115), (244, 525255), (285, 449692), (291, 440420), (305, 420204), (361, 355020), (366, 350170), (380, 337269), (388, 330315), (485, 264252), (570, 224846), (582, 220210), (610, 210102), (722, 177510), (732, 175085), (915, 140068), (970, 132126), (1083, 118340), (1140, 112423), (1159, 110580), (1164, 110105), (1220, 105051), (1444, 88755), (1455, 88084), (1805, 71004), (1830, 70034), (1843, 69540), (1940, 66063), (2166, 59170), (2318, 55290), (2910, 44042), (3477, 36860), (3610, 35502), (3660, 35017), (3686, 34770), (4332, 29585), (4636, 27645), (5415, 23668), (5529, 23180), (5795, 22116), (5820, 22021), (5917, 21660), (6954, 18430), (7220, 17751), (7372, 17385), (9215, 13908), (10830, 11834), (11058, 11590)]