18080520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8863}}^1$

素因数の和:8894

約数の個数: 64

約数和(自身を含む): 57438720

約数和(自身を除く): 39358200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 8863, 17726, 26589, 35452, 44315, 53178, 70904, 88630, 106356, 132945, 150671, 177260, 212712, 265890, 301342, 354520, 452013, 531780, 602684, 753355, 904026, 1063560, 1205368, 1506710, 1808052, 2260065, 3013420, 3616104, 4520130, 6026840, 9040260, 18080520]

約数ペア:

[(1, 18080520), (2, 9040260), (3, 6026840), (4, 4520130), (5, 3616104), (6, 3013420), (8, 2260065), (10, 1808052), (12, 1506710), (15, 1205368), (17, 1063560), (20, 904026), (24, 753355), (30, 602684), (34, 531780), (40, 452013), (51, 354520), (60, 301342), (68, 265890), (85, 212712), (102, 177260), (120, 150671), (136, 132945), (170, 106356), (204, 88630), (255, 70904), (340, 53178), (408, 44315), (510, 35452), (680, 26589), (1020, 17726), (2040, 8863)]