61131420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:297

約数の個数: 216

約数和(自身を含む): 224078400

約数和(自身を除く): 162946980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 49, 58, 60, 63, 70, 84, 87, 90, 98, 105, 116, 126, 140, 145, 147, 174, 180, 196, 203, 210, 239, 245, 252, 261, 290, 294, 315, 348, 406, 420, 435, 441, 478, 490, 522, 580, 588, 609, 630, 717, 735, 812, 870, 882, 956, 980, 1015, 1044, 1195, 1218, 1260, 1305, 1421, 1434, 1470, 1673, 1740, 1764, 1827, 2030, 2151, 2205, 2390, 2436, 2610, 2842, 2868, 2940, 3045, 3346, 3585, 3654, 4060, 4263, 4302, 4410, 4780, 5019, 5220, 5684, 6090, 6692, 6931, 7105, 7170, 7308, 8365, 8526, 8604, 8820, 9135, 10038, 10755, 11711, 12180, 12789, 13862, 14210, 14340, 15057, 16730, 17052, 18270, 20076, 20793, 21315, 21510, 23422, 25095, 25578, 27724, 28420, 30114, 33460, 34655, 35133, 36540, 41586, 42630, 43020, 46844, 48517, 50190, 51156, 58555, 60228, 62379, 63945, 69310, 70266, 75285, 83172, 85260, 97034, 100380, 103965, 105399, 117110, 124758, 127890, 138620, 140532, 145551, 150570, 175665, 194068, 207930, 210798, 234220, 242585, 249516, 255780, 291102, 301140, 311895, 339619, 351330, 415860, 421596, 436653, 485170, 526995, 582204, 623790, 679238, 702660, 727755, 873306, 970340, 1018857, 1053990, 1247580, 1358476, 1455510, 1698095, 1746612, 2037714, 2107980, 2183265, 2911020, 3056571, 3396190, 4075428, 4366530, 5094285, 6113142, 6792380, 8733060, 10188570, 12226284, 15282855, 20377140, 30565710, 61131420]

約数ペア:

[(1, 61131420), (2, 30565710), (3, 20377140), (4, 15282855), (5, 12226284), (6, 10188570), (7, 8733060), (9, 6792380), (10, 6113142), (12, 5094285), (14, 4366530), (15, 4075428), (18, 3396190), (20, 3056571), (21, 2911020), (28, 2183265), (29, 2107980), (30, 2037714), (35, 1746612), (36, 1698095), (42, 1455510), (45, 1358476), (49, 1247580), (58, 1053990), (60, 1018857), (63, 970340), (70, 873306), (84, 727755), (87, 702660), (90, 679238), (98, 623790), (105, 582204), (116, 526995), (126, 485170), (140, 436653), (145, 421596), (147, 415860), (174, 351330), (180, 339619), (196, 311895), (203, 301140), (210, 291102), (239, 255780), (245, 249516), (252, 242585), (261, 234220), (290, 210798), (294, 207930), (315, 194068), (348, 175665), (406, 150570), (420, 145551), (435, 140532), (441, 138620), (478, 127890), (490, 124758), (522, 117110), (580, 105399), (588, 103965), (609, 100380), (630, 97034), (717, 85260), (735, 83172), (812, 75285), (870, 70266), (882, 69310), (956, 63945), (980, 62379), (1015, 60228), (1044, 58555), (1195, 51156), (1218, 50190), (1260, 48517), (1305, 46844), (1421, 43020), (1434, 42630), (1470, 41586), (1673, 36540), (1740, 35133), (1764, 34655), (1827, 33460), (2030, 30114), (2151, 28420), (2205, 27724), (2390, 25578), (2436, 25095), (2610, 23422), (2842, 21510), (2868, 21315), (2940, 20793), (3045, 20076), (3346, 18270), (3585, 17052), (3654, 16730), (4060, 15057), (4263, 14340), (4302, 14210), (4410, 13862), (4780, 12789), (5019, 12180), (5220, 11711), (5684, 10755), (6090, 10038), (6692, 9135), (6931, 8820), (7105, 8604), (7170, 8526), (7308, 8365)]