61638408

素因数分解:

$2^3\times 3^7\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 187353600

約数和(自身を除く): 125715192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 243, 271, 312, 324, 351, 468, 486, 542, 648, 702, 729, 813, 936, 972, 1053, 1084, 1404, 1458, 1626, 1944, 2106, 2168, 2187, 2439, 2808, 2916, 3159, 3252, 3523, 4212, 4374, 4878, 5832, 6318, 6504, 7046, 7317, 8424, 8748, 9477, 9756, 10569, 12636, 14092, 14634, 17496, 18954, 19512, 21138, 21951, 25272, 28184, 28431, 29268, 31707, 37908, 42276, 43902, 56862, 58536, 63414, 65853, 75816, 84552, 87804, 95121, 113724, 126828, 131706, 175608, 190242, 197559, 227448, 253656, 263412, 285363, 380484, 395118, 526824, 570726, 592677, 760968, 790236, 856089, 1141452, 1185354, 1580472, 1712178, 2282904, 2370708, 2568267, 3424356, 4741416, 5136534, 6848712, 7704801, 10273068, 15409602, 20546136, 30819204, 61638408]

約数ペア:

[(1, 61638408), (2, 30819204), (3, 20546136), (4, 15409602), (6, 10273068), (8, 7704801), (9, 6848712), (12, 5136534), (13, 4741416), (18, 3424356), (24, 2568267), (26, 2370708), (27, 2282904), (36, 1712178), (39, 1580472), (52, 1185354), (54, 1141452), (72, 856089), (78, 790236), (81, 760968), (104, 592677), (108, 570726), (117, 526824), (156, 395118), (162, 380484), (216, 285363), (234, 263412), (243, 253656), (271, 227448), (312, 197559), (324, 190242), (351, 175608), (468, 131706), (486, 126828), (542, 113724), (648, 95121), (702, 87804), (729, 84552), (813, 75816), (936, 65853), (972, 63414), (1053, 58536), (1084, 56862), (1404, 43902), (1458, 42276), (1626, 37908), (1944, 31707), (2106, 29268), (2168, 28431), (2187, 28184), (2439, 25272), (2808, 21951), (2916, 21138), (3159, 19512), (3252, 18954), (3523, 17496), (4212, 14634), (4374, 14092), (4878, 12636), (5832, 10569), (6318, 9756), (6504, 9477), (7046, 8748), (7317, 8424)]