131237820

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 240

約数和(自身を含む): 480066048

約数和(自身を除く): 348828228

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 71, 81, 84, 90, 105, 108, 126, 135, 140, 142, 162, 163, 180, 189, 210, 213, 252, 270, 284, 315, 324, 326, 355, 378, 405, 420, 426, 489, 497, 540, 567, 630, 639, 652, 710, 756, 810, 815, 852, 945, 978, 994, 1065, 1134, 1141, 1260, 1278, 1420, 1467, 1491, 1620, 1630, 1890, 1917, 1956, 1988, 2130, 2268, 2282, 2445, 2485, 2556, 2835, 2934, 2982, 3195, 3260, 3423, 3780, 3834, 4260, 4401, 4473, 4564, 4890, 4970, 5670, 5705, 5751, 5868, 5964, 6390, 6846, 7335, 7455, 7668, 8802, 8946, 9585, 9780, 9940, 10269, 11340, 11410, 11502, 11573, 12780, 13203, 13419, 13692, 14670, 14910, 17115, 17604, 17892, 19170, 20538, 22005, 22365, 22820, 23004, 23146, 26406, 26838, 28755, 29340, 29820, 30807, 34230, 34719, 38340, 40257, 41076, 44010, 44730, 46292, 51345, 52812, 53676, 57510, 57865, 61614, 66015, 67095, 68460, 69438, 80514, 81011, 88020, 89460, 92421, 102690, 104157, 115020, 115730, 123228, 132030, 134190, 138876, 154035, 161028, 162022, 173595, 184842, 201285, 205380, 208314, 231460, 243033, 264060, 268380, 308070, 312471, 324044, 347190, 369684, 402570, 405055, 416628, 462105, 486066, 520785, 616140, 624942, 694380, 729099, 805140, 810110, 924210, 937413, 972132, 1041570, 1215165, 1249884, 1458198, 1562355, 1620220, 1848420, 1874826, 2083140, 2187297, 2430330, 2916396, 3124710, 3645495, 3749652, 4374594, 4687065, 4860660, 6249420, 6561891, 7290990, 8749188, 9374130, 10936485, 13123782, 14581980, 18748260, 21872970, 26247564, 32809455, 43745940, 65618910, 131237820]

約数ペア:

[(1, 131237820), (2, 65618910), (3, 43745940), (4, 32809455), (5, 26247564), (6, 21872970), (7, 18748260), (9, 14581980), (10, 13123782), (12, 10936485), (14, 9374130), (15, 8749188), (18, 7290990), (20, 6561891), (21, 6249420), (27, 4860660), (28, 4687065), (30, 4374594), (35, 3749652), (36, 3645495), (42, 3124710), (45, 2916396), (54, 2430330), (60, 2187297), (63, 2083140), (70, 1874826), (71, 1848420), (81, 1620220), (84, 1562355), (90, 1458198), (105, 1249884), (108, 1215165), (126, 1041570), (135, 972132), (140, 937413), (142, 924210), (162, 810110), (163, 805140), (180, 729099), (189, 694380), (210, 624942), (213, 616140), (252, 520785), (270, 486066), (284, 462105), (315, 416628), (324, 405055), (326, 402570), (355, 369684), (378, 347190), (405, 324044), (420, 312471), (426, 308070), (489, 268380), (497, 264060), (540, 243033), (567, 231460), (630, 208314), (639, 205380), (652, 201285), (710, 184842), (756, 173595), (810, 162022), (815, 161028), (852, 154035), (945, 138876), (978, 134190), (994, 132030), (1065, 123228), (1134, 115730), (1141, 115020), (1260, 104157), (1278, 102690), (1420, 92421), (1467, 89460), (1491, 88020), (1620, 81011), (1630, 80514), (1890, 69438), (1917, 68460), (1956, 67095), (1988, 66015), (2130, 61614), (2268, 57865), (2282, 57510), (2445, 53676), (2485, 52812), (2556, 51345), (2835, 46292), (2934, 44730), (2982, 44010), (3195, 41076), (3260, 40257), (3423, 38340), (3780, 34719), (3834, 34230), (4260, 30807), (4401, 29820), (4473, 29340), (4564, 28755), (4890, 26838), (4970, 26406), (5670, 23146), (5705, 23004), (5751, 22820), (5868, 22365), (5964, 22005), (6390, 20538), (6846, 19170), (7335, 17892), (7455, 17604), (7668, 17115), (8802, 14910), (8946, 14670), (9585, 13692), (9780, 13419), (9940, 13203), (10269, 12780), (11340, 11573), (11410, 11502)]