87197940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6823}}^1$

素因数の和:6909

約数の個数: 72

約数和(自身を含む): 268265088

約数和(自身を除く): 181067148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 6823, 12780, 13646, 20469, 27292, 34115, 40938, 61407, 68230, 81876, 102345, 122814, 136460, 204690, 245628, 307035, 409380, 484433, 614070, 968866, 1228140, 1453299, 1937732, 2422165, 2906598, 4359897, 4844330, 5813196, 7266495, 8719794, 9688660, 14532990, 17439588, 21799485, 29065980, 43598970, 87197940]

約数ペア:

[(1, 87197940), (2, 43598970), (3, 29065980), (4, 21799485), (5, 17439588), (6, 14532990), (9, 9688660), (10, 8719794), (12, 7266495), (15, 5813196), (18, 4844330), (20, 4359897), (30, 2906598), (36, 2422165), (45, 1937732), (60, 1453299), (71, 1228140), (90, 968866), (142, 614070), (180, 484433), (213, 409380), (284, 307035), (355, 245628), (426, 204690), (639, 136460), (710, 122814), (852, 102345), (1065, 81876), (1278, 68230), (1420, 61407), (2130, 40938), (2556, 34115), (3195, 27292), (4260, 20469), (6390, 13646), (6823, 12780)]