318257520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{189439}}^1$

素因数の和:189462

約数の個数: 80

約数和(自身を含む): 1127546880

約数和(自身を除く): 809289360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 189439, 378878, 568317, 757756, 947195, 1136634, 1326073, 1515512, 1894390, 2273268, 2652146, 2841585, 3031024, 3788780, 3978219, 4546536, 5304292, 5683170, 6630365, 7577560, 7956438, 9093072, 10608584, 11366340, 13260730, 15155120, 15912876, 19891095, 21217168, 22732680, 26521460, 31825752, 39782190, 45465360, 53042920, 63651504, 79564380, 106085840, 159128760, 318257520]

約数ペア:

[(1, 318257520), (2, 159128760), (3, 106085840), (4, 79564380), (5, 63651504), (6, 53042920), (7, 45465360), (8, 39782190), (10, 31825752), (12, 26521460), (14, 22732680), (15, 21217168), (16, 19891095), (20, 15912876), (21, 15155120), (24, 13260730), (28, 11366340), (30, 10608584), (35, 9093072), (40, 7956438), (42, 7577560), (48, 6630365), (56, 5683170), (60, 5304292), (70, 4546536), (80, 3978219), (84, 3788780), (105, 3031024), (112, 2841585), (120, 2652146), (140, 2273268), (168, 1894390), (210, 1515512), (240, 1326073), (280, 1136634), (336, 947195), (420, 757756), (560, 568317), (840, 378878), (1680, 189439)]