191780340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{859}}^1$

素因数の和:993

約数の個数: 72

約数和(自身を含む): 546567840

約数和(自身を除く): 354787500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 859, 915, 1220, 1718, 1830, 2577, 3436, 3660, 3721, 4295, 5154, 7442, 8590, 10308, 11163, 12885, 14884, 17180, 18605, 22326, 25770, 37210, 44652, 51540, 52399, 55815, 74420, 104798, 111630, 157197, 209596, 223260, 261995, 314394, 523990, 628788, 785985, 1047980, 1571970, 3143940, 3196339, 6392678, 9589017, 12785356, 15981695, 19178034, 31963390, 38356068, 47945085, 63926780, 95890170, 191780340]

約数ペア:

[(1, 191780340), (2, 95890170), (3, 63926780), (4, 47945085), (5, 38356068), (6, 31963390), (10, 19178034), (12, 15981695), (15, 12785356), (20, 9589017), (30, 6392678), (60, 3196339), (61, 3143940), (122, 1571970), (183, 1047980), (244, 785985), (305, 628788), (366, 523990), (610, 314394), (732, 261995), (859, 223260), (915, 209596), (1220, 157197), (1718, 111630), (1830, 104798), (2577, 74420), (3436, 55815), (3660, 52399), (3721, 51540), (4295, 44652), (5154, 37210), (7442, 25770), (8590, 22326), (10308, 18605), (11163, 17180), (12885, 14884)]