388632780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{1657}}^1$

素因数の和:2975

約数の個数: 72

約数和(自身を含む): 1180469472

約数和(自身を除く): 791836692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1303, 1657, 2606, 3314, 3909, 4971, 5212, 6515, 6628, 7818, 8285, 9942, 11727, 13030, 14913, 15636, 16570, 19545, 19884, 23454, 24855, 26060, 29826, 33140, 39090, 46908, 49710, 58635, 59652, 74565, 78180, 99420, 117270, 149130, 234540, 298260, 2159071, 4318142, 6477213, 8636284, 10795355, 12954426, 19431639, 21590710, 25908852, 32386065, 38863278, 43181420, 64772130, 77726556, 97158195, 129544260, 194316390, 388632780]

約数ペア:

[(1, 388632780), (2, 194316390), (3, 129544260), (4, 97158195), (5, 77726556), (6, 64772130), (9, 43181420), (10, 38863278), (12, 32386065), (15, 25908852), (18, 21590710), (20, 19431639), (30, 12954426), (36, 10795355), (45, 8636284), (60, 6477213), (90, 4318142), (180, 2159071), (1303, 298260), (1657, 234540), (2606, 149130), (3314, 117270), (3909, 99420), (4971, 78180), (5212, 74565), (6515, 59652), (6628, 58635), (7818, 49710), (8285, 46908), (9942, 39090), (11727, 33140), (13030, 29826), (14913, 26060), (15636, 24855), (16570, 23454), (19545, 19884)]