1561857840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{12539}}^1$

素因数の和:12731

約数の個数: 120

約数和(自身を含む): 5275979280

約数和(自身を除く): 3714121440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 173, 180, 240, 346, 360, 519, 692, 720, 865, 1038, 1384, 1557, 1730, 2076, 2595, 2768, 3114, 3460, 4152, 5190, 6228, 6920, 7785, 8304, 10380, 12456, 12539, 13840, 15570, 20760, 24912, 25078, 31140, 37617, 41520, 50156, 62280, 62695, 75234, 100312, 112851, 124560, 125390, 150468, 188085, 200624, 225702, 250780, 300936, 376170, 451404, 501560, 564255, 601872, 752340, 902808, 1003120, 1128510, 1504680, 1805616, 2169247, 2257020, 3009360, 4338494, 4514040, 6507741, 8676988, 9028080, 10846235, 13015482, 17353976, 19523223, 21692470, 26030964, 32538705, 34707952, 39046446, 43384940, 52061928, 65077410, 78092892, 86769880, 97616115, 104123856, 130154820, 156185784, 173539760, 195232230, 260309640, 312371568, 390464460, 520619280, 780928920, 1561857840]

約数ペア:

[(1, 1561857840), (2, 780928920), (3, 520619280), (4, 390464460), (5, 312371568), (6, 260309640), (8, 195232230), (9, 173539760), (10, 156185784), (12, 130154820), (15, 104123856), (16, 97616115), (18, 86769880), (20, 78092892), (24, 65077410), (30, 52061928), (36, 43384940), (40, 39046446), (45, 34707952), (48, 32538705), (60, 26030964), (72, 21692470), (80, 19523223), (90, 17353976), (120, 13015482), (144, 10846235), (173, 9028080), (180, 8676988), (240, 6507741), (346, 4514040), (360, 4338494), (519, 3009360), (692, 2257020), (720, 2169247), (865, 1805616), (1038, 1504680), (1384, 1128510), (1557, 1003120), (1730, 902808), (2076, 752340), (2595, 601872), (2768, 564255), (3114, 501560), (3460, 451404), (4152, 376170), (5190, 300936), (6228, 250780), (6920, 225702), (7785, 200624), (8304, 188085), (10380, 150468), (12456, 125390), (12539, 124560), (13840, 112851), (15570, 100312), (20760, 75234), (24912, 62695), (25078, 62280), (31140, 50156), (37617, 41520)]