187128900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{9901}}^1$

素因数の和:9931

約数の個数: 144

約数和(自身を含む): 687594880

約数和(自身を除く): 500465980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1575, 1890, 2100, 2700, 3150, 3780, 4725, 6300, 9450, 9901, 18900, 19802, 29703, 39604, 49505, 59406, 69307, 89109, 99010, 118812, 138614, 148515, 178218, 198020, 207921, 247525, 267327, 277228, 297030, 346535, 356436, 415842, 445545, 495050, 534654, 594060, 623763, 693070, 742575, 831684, 891090, 990100, 1039605, 1069308, 1247526, 1336635, 1386140, 1485150, 1732675, 1782180, 1871289, 2079210, 2227725, 2495052, 2673270, 2970300, 3118815, 3465350, 3742578, 4158420, 4455450, 5198025, 5346540, 6237630, 6683175, 6930700, 7485156, 8910900, 9356445, 10396050, 12475260, 13366350, 15594075, 18712890, 20792100, 26732700, 31188150, 37425780, 46782225, 62376300, 93564450, 187128900]

約数ペア:

[(1, 187128900), (2, 93564450), (3, 62376300), (4, 46782225), (5, 37425780), (6, 31188150), (7, 26732700), (9, 20792100), (10, 18712890), (12, 15594075), (14, 13366350), (15, 12475260), (18, 10396050), (20, 9356445), (21, 8910900), (25, 7485156), (27, 6930700), (28, 6683175), (30, 6237630), (35, 5346540), (36, 5198025), (42, 4455450), (45, 4158420), (50, 3742578), (54, 3465350), (60, 3118815), (63, 2970300), (70, 2673270), (75, 2495052), (84, 2227725), (90, 2079210), (100, 1871289), (105, 1782180), (108, 1732675), (126, 1485150), (135, 1386140), (140, 1336635), (150, 1247526), (175, 1069308), (180, 1039605), (189, 990100), (210, 891090), (225, 831684), (252, 742575), (270, 693070), (300, 623763), (315, 594060), (350, 534654), (378, 495050), (420, 445545), (450, 415842), (525, 356436), (540, 346535), (630, 297030), (675, 277228), (700, 267327), (756, 247525), (900, 207921), (945, 198020), (1050, 178218), (1260, 148515), (1350, 138614), (1575, 118812), (1890, 99010), (2100, 89109), (2700, 69307), (3150, 59406), (3780, 49505), (4725, 39604), (6300, 29703), (9450, 19802), (9901, 18900)]