12800700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{431}}^1$

素因数の和:465

約数の個数: 144

約数和(自身を含む): 44997120

約数和(自身を除く): 32196420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 27, 30, 33, 36, 44, 45, 50, 54, 55, 60, 66, 75, 90, 99, 100, 108, 110, 132, 135, 150, 165, 180, 198, 220, 225, 270, 275, 297, 300, 330, 396, 431, 450, 495, 540, 550, 594, 660, 675, 825, 862, 900, 990, 1100, 1188, 1293, 1350, 1485, 1650, 1724, 1980, 2155, 2475, 2586, 2700, 2970, 3300, 3879, 4310, 4741, 4950, 5172, 5940, 6465, 7425, 7758, 8620, 9482, 9900, 10775, 11637, 12930, 14223, 14850, 15516, 18964, 19395, 21550, 23274, 23705, 25860, 28446, 29700, 32325, 38790, 42669, 43100, 46548, 47410, 56892, 58185, 64650, 71115, 77580, 85338, 94820, 96975, 116370, 118525, 128007, 129300, 142230, 170676, 193950, 213345, 232740, 237050, 256014, 284460, 290925, 355575, 387900, 426690, 474100, 512028, 581850, 640035, 711150, 853380, 1066725, 1163700, 1280070, 1422300, 2133450, 2560140, 3200175, 4266900, 6400350, 12800700]

約数ペア:

[(1, 12800700), (2, 6400350), (3, 4266900), (4, 3200175), (5, 2560140), (6, 2133450), (9, 1422300), (10, 1280070), (11, 1163700), (12, 1066725), (15, 853380), (18, 711150), (20, 640035), (22, 581850), (25, 512028), (27, 474100), (30, 426690), (33, 387900), (36, 355575), (44, 290925), (45, 284460), (50, 256014), (54, 237050), (55, 232740), (60, 213345), (66, 193950), (75, 170676), (90, 142230), (99, 129300), (100, 128007), (108, 118525), (110, 116370), (132, 96975), (135, 94820), (150, 85338), (165, 77580), (180, 71115), (198, 64650), (220, 58185), (225, 56892), (270, 47410), (275, 46548), (297, 43100), (300, 42669), (330, 38790), (396, 32325), (431, 29700), (450, 28446), (495, 25860), (540, 23705), (550, 23274), (594, 21550), (660, 19395), (675, 18964), (825, 15516), (862, 14850), (900, 14223), (990, 12930), (1100, 11637), (1188, 10775), (1293, 9900), (1350, 9482), (1485, 8620), (1650, 7758), (1724, 7425), (1980, 6465), (2155, 5940), (2475, 5172), (2586, 4950), (2700, 4741), (2970, 4310), (3300, 3879)]