18019440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{863}}^1$

素因数の和:911

約数の個数: 120

約数和(自身を含む): 62674560

約数和(自身を除く): 44655120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 863, 870, 1044, 1160, 1305, 1392, 1726, 1740, 2088, 2320, 2589, 2610, 3452, 3480, 4176, 4315, 5178, 5220, 6904, 6960, 7767, 8630, 10356, 10440, 12945, 13808, 15534, 17260, 20712, 20880, 25027, 25890, 31068, 34520, 38835, 41424, 50054, 51780, 62136, 69040, 75081, 77670, 100108, 103560, 124272, 125135, 150162, 155340, 200216, 207120, 225243, 250270, 300324, 310680, 375405, 400432, 450486, 500540, 600648, 621360, 750810, 900972, 1001080, 1126215, 1201296, 1501620, 1801944, 2002160, 2252430, 3003240, 3603888, 4504860, 6006480, 9009720, 18019440]

約数ペア:

[(1, 18019440), (2, 9009720), (3, 6006480), (4, 4504860), (5, 3603888), (6, 3003240), (8, 2252430), (9, 2002160), (10, 1801944), (12, 1501620), (15, 1201296), (16, 1126215), (18, 1001080), (20, 900972), (24, 750810), (29, 621360), (30, 600648), (36, 500540), (40, 450486), (45, 400432), (48, 375405), (58, 310680), (60, 300324), (72, 250270), (80, 225243), (87, 207120), (90, 200216), (116, 155340), (120, 150162), (144, 125135), (145, 124272), (174, 103560), (180, 100108), (232, 77670), (240, 75081), (261, 69040), (290, 62136), (348, 51780), (360, 50054), (435, 41424), (464, 38835), (522, 34520), (580, 31068), (696, 25890), (720, 25027), (863, 20880), (870, 20712), (1044, 17260), (1160, 15534), (1305, 13808), (1392, 12945), (1726, 10440), (1740, 10356), (2088, 8630), (2320, 7767), (2589, 6960), (2610, 6904), (3452, 5220), (3480, 5178), (4176, 4315)]