18868680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17471}}^1$

素因数の和:17491

約数の個数: 64

約数和(自身を含む): 62899200

約数和(自身を除く): 44030520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 17471, 34942, 52413, 69884, 87355, 104826, 139768, 157239, 174710, 209652, 262065, 314478, 349420, 419304, 471717, 524130, 628956, 698840, 786195, 943434, 1048260, 1257912, 1572390, 1886868, 2096520, 2358585, 3144780, 3773736, 4717170, 6289560, 9434340, 18868680]

約数ペア:

[(1, 18868680), (2, 9434340), (3, 6289560), (4, 4717170), (5, 3773736), (6, 3144780), (8, 2358585), (9, 2096520), (10, 1886868), (12, 1572390), (15, 1257912), (18, 1048260), (20, 943434), (24, 786195), (27, 698840), (30, 628956), (36, 524130), (40, 471717), (45, 419304), (54, 349420), (60, 314478), (72, 262065), (90, 209652), (108, 174710), (120, 157239), (135, 139768), (180, 104826), (216, 87355), (270, 69884), (360, 52413), (540, 34942), (1080, 17471)]