18810720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13063}}^1$

素因数の和:13084

約数の個数: 72

約数和(自身を含む): 64196496

約数和(自身を除く): 45385776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13063, 26126, 39189, 52252, 65315, 78378, 104504, 117567, 130630, 156756, 195945, 209008, 235134, 261260, 313512, 391890, 418016, 470268, 522520, 587835, 627024, 783780, 940536, 1045040, 1175670, 1254048, 1567560, 1881072, 2090080, 2351340, 3135120, 3762144, 4702680, 6270240, 9405360, 18810720]

約数ペア:

[(1, 18810720), (2, 9405360), (3, 6270240), (4, 4702680), (5, 3762144), (6, 3135120), (8, 2351340), (9, 2090080), (10, 1881072), (12, 1567560), (15, 1254048), (16, 1175670), (18, 1045040), (20, 940536), (24, 783780), (30, 627024), (32, 587835), (36, 522520), (40, 470268), (45, 418016), (48, 391890), (60, 313512), (72, 261260), (80, 235134), (90, 209008), (96, 195945), (120, 156756), (144, 130630), (160, 117567), (180, 104504), (240, 78378), (288, 65315), (360, 52252), (480, 39189), (720, 26126), (1440, 13063)]